3 Historic Deals to Take Advantage of Before Summer Ends

If you’re a deal hunter, you likely shopped on Amazon’s second annual Prime Day, and you’re probably gearing up for the back-to-school sales, particularly if you live in a state that offers a back-to-school sales tax holiday (as 17 states do this year, starting as early as July 29th).

But if you’re looking for the summer's most significant bargains, they might not be as blatantly advertised, even though they could be staring you in the face.

Here are three of the biggest deals currently available, and they’re historic.

Mortgage rates

In the market to buy a home? Vacation pad? Refinance an existing loan? Convert from a 30-year fixed mortgage to a 15-year loan? Take advantage of the situation now. “Mortgage rates have fallen to three-year lows and come within a whisker of the all-time historic lows” we saw in November 2012, says Greg McBride, chief financial analyst for Bankrate.

Consider this: At the current average rate of 3.42% (down from over 4% a year ago), you’d pay about $445 a month in principal and interest for every $100,000 you borrow on a 30-year fixed rate mortgage.

With rates averaging 2.75% for a 15-year fixed-rate mortgage, down from 3.2% a year ago, you wouldn’t pay much more: about $680 a month in principal and interest for every $100,000 you borrow.

Read More: Why You Should Think About Refinancing Your Mortgage (Again)

It's safe to assume that this extension of easy money—due to slow U.S. economic growth, negative interest rates overseas, the “Brexit,” and other factors—isn’t going to last forever.

Gas

According to Patrick DeHaan, a senior petroleum analyst with Gasbuddy.com, nearly 40% of the nation’s 135,000 gas stations are now selling gasoline for under $2 a gallon; last year at this time, 0% of stations were at such low prices.

States with the highest percentage of gas prices at $1.99 or less include South Carolina, Missouri, Alabama, Tennessee, Mississippi, Arkansas, Virginia, and Oklahoma.

“There’s not been a more affordable summer to hit the road in the last decade,” says DeHaan. “This situation may not repeat itself next summer, so my advice to motorists is to enjoy it as much as you can while it lasts."

Air travel

You’ve seen the headlines: due to a drop in oil prices and increased airline competition, summer airfares are the lowest they’ve been since 2009. But yet you still haven’t booked anything – to anywhere. There’s still time.

Top Free Attractions in All 50 States

Scope out more than 30 vintage planes and even try a flight simulator at the Air Mobility Command Museum, in Dover. See if you can spot the 1951 Stratotanker and the four-passenger Blue Canoe.

Mr.TinDC—Flickr

See how the other 1% lived at the Frick Art & Historical Center, which includes 2,000 artifacts from industrialist Henry Clay Frick’s gilded age life.

courtesy Frick Art & Historical Center

Take a detour off the turnpike and say hello to the resident barred owl, peregrine falcon, and eastern screech owl at New Jersey Raptor Trust, a hospital for birds of prey. In Millington, about 30 miles off exit 12.

Mark Newman—Getty Images

Visit the Atlanta childhood home and church of a national hero at the Martin Luther King Jr. National Historic Site. Show up early and you'll secure a spot on the Park Ranger-led tour of the 1895 Queen Anne house where Dr. King lived —and dreamed—during the first 12 years of his life.

Getty Images

Explore rare manuscripts, medieval maps, and the largest collection of British art outside of the U.K. at the Yale Center for British Art. The Louis I. Kahn-designed building reopened in May 2016 after a $33-million renovation (none of which will be retro-financed by you).

Michael Marsland

Board a legendary naval ship that first launched in 1797—now retired to Boston’s harbor—at the USS Constitution Museum. (By the way, sturdy "Old Ironsides" is mostly made of white oak, pine, and other types of wood.)

Steven Senne—AP Photo

Bone up on the author who helped named the local football team at Baltimore’s Edgar Allan Poe Collection at Enoch Pratt Free Library. Among the treasures: Poe's original manuscripts, letters he wrote to his future bride (when she was only 13), and a lock of his hair. Sure it's a little creepy, but consider the source.

Carol M. Highsmith—Getty Images

Invite yourself over to Thomas Jefferson’s friends house, the Charles Pinckney National Historic Site. He was a principal author and signer of the United States Constitution.

NPS Photo

Meet and greet the shaggy-legged Clydesdale horses on the Budweiser tour in Merrimack. Yes, you’ll also get free pours of beer.

Randy Duchaine—Alamy

Pose for photos at Foamhenge, the somewhat less sturdy replica of Stonehenge, in Natural Bridge. Foamhenge is made entirely of styrofoam.

Bob Brown—Richmond Times-Dispatch/AP

Remind yourself that Manhattan is an island and go kayaking off Pier 26 on the Hudson River. Hard to believe in New York, but use of the kayaks, life jackets, and even the sunblock really are free.

courtesy Downtown Boathouse

See what life was like on a ye olde tobacco factory and homestead (circa 1852) at Duke Homestead, in Durham.

courtesy Duke Homestead State Historic Site

Climb to the top of the 1898 Beavertail Lighthouse—the third oldest in the country--for a sweeping view of Narragansett Bay. This "new" lighthouse replaced the original wooden one, built in 1749--and not exactly fire-safe.

Jeremy Edwards—Getty Images

Birdwatch for Red-eyed Vireo, Rusty Blackbirds, and more than 100 other winged species at the 250-acre Green Mountain Audubon Center in Huntington. There's a great butterfly garden, too.

Steve Maslowski—Getty Images

Peer inside the reconstructed, single-room log cabin where the 16th president was born at the Abraham Lincoln Birthplace, in Hodgenville. Don’t miss a look at Sinking Spring, the natural underground rivulet that supplied the Lincolns' drinking water.

David Perry—Lexington Herald-Leader/MCT/Getty Images

Get a commanding view of Great Smokey Mountains National Park—and, on a clear day, 100 miles into the distance—from the perch at Clingmans Dome, some 6,643-feet in elevation.

Sean Pavone—Alamy

Take a flight into military and aviation history at The National Museum of the US Air Force. The brand new, $40 million dollar space shuttle building opens in June.

Ken LaRock—U.S. Air Force photo

Take a break from the epicurean pleasures of New Orleans' French Quarter and join a ranger-led tour of the Jean Lafitte National Historical Park and Preserve. Most every building has a story--or two. For instance, Gen. Andrew Jackson was a frequent dinner guest at 417 Royal Street, the home of Edgar Degas’ grandfather.

John Coletti—Getty Images

Catch an old timey Deep River Grinders Baseball game; they play by the original 1858 rules of baseball (no mitts!) in Indiana’s South Shore.

Daniel White—AP

Bone up on civil war history at L.Q.C. Lamar House Museum, a Greek Revival home in Oxford. Don't remember Lamar? He earned a chapter in JFK"s "Profiles In Courage" for helping smooth North-South relations after the war. He certainly had the credentials, having served as a congressman, a U.S. senator, a cabinet member, and a Supreme Court justice.

courtesy Visit Oxford Mississippi

See leopards, lions, and lowly leaf frogs at Chicago's Lincoln Park Zoo, open 365 days a year. Don’t miss the Farm-in-the-Zoo Dairy Barn where you can meet and greet goats, cows, and chickens.

Raymond Boyd—Getty Images

Wander through 67.5 acres of manicured grounds at the Birmingham Botanical Gardens. Among the 30 themed gardens: an Irish rose garden, wild Alabama woodlands, and a Southern Living magazine-inspired garden (featuring native dogwoods and Florida flame azaleas).

Stephen Saks—Getty Images/Lonely Planet Images

Pretend you’re a Light Keeper at Lubec’s 1858 lighthouse at West Quoddy Head Light Keepers Association, keeping your eyes out for seals and humpback whales along the coastline.

John Greim—LightRocket/Getty Images

Take in an $8 million, Vegas-esque extravaganza at the Branson Landing Light Show, an hourly water geyser, fire, and light display that goes off to the tune of "The Star Spangled Banner"--and occasionally "Living on a Prayer" and other more uptempo pieces.

courtesy Branson Landing Light Show

Gawk at works by Mary Cassatt, Mark Rothko, Andy Warhol, and five centuries of great American artists at the Moshe Safdie-designed Crystal Bridges Museum of Art. How can they afford to roll back the admission price to nothing? It was founded by Alice Walton, not far from the little family business in Bentonville: Walmart.

Timothy Hursley—courtesy of Crystal Bridges Museum

Ride out a facsimile storm in a replica schooner at the Great Lakes Maritime Heritage Center before eyeballing the shipwreck artifact gallery—and thanking your lucky stars you’re on dry land.

courtesy Great Lakes Maritime Heritage Center

You'll want to keep your arms inside your vehicle at all times on the 27-mile Big Cypress National Preserve loop road. The swampy, tree-lined drive is thick with gators and their hungry reptilian friends.

Arto Hakola—Getty Images

Cool off with a swim in Austin’s Barton Springs Pool. Admission is free from 5-8 a.m. and again from 9-10 p.m.

Kyle McLaughlin—Getty Images/Lonely Planet Images

Explore Hollywood history at The Field of Dreams movie site (“If you build it, he will come”), on farmland just 25 miles west of Dubuque. Bring baseball gear—you’re welcome to play.

Daniel White—AP

Take a sweet “train” ride through the Pleasant Prairie warehouse of Jelly Belly, where the 30-minute tour includes a bag of the candy.

Ron Kuenstler

Explore outer space through the 1935 Zeiss telescope at the Griffith Observatory in Los Angeles, which just received a $93 million renovation. You might recognize the observatory from its star turn (get it?) in James Dean’s 1955 film, "Rebel Without a Cause.”

Andrew Kennelly—Getty Images/Flickr

Step inside a starchitect’s masterwork at Frank Gehry’s Weisman Art Museum. Among the current exhibits: Andy Warhol’s pop prints of the American West.

Raymond Boyd—Getty Images

Hike the rainforest-shrouded 611-foot-tall Multnomah Falls waterfall, 30 minutes outside of Portland.

Dasar—Getty Images

Take a leisurely walk or a fly-tying class at Wichita’s Great Plains Nature Center. Keep your eyes out for the great horned owls in the trees and the Black-tailed prairie dog in the ground.

Mirko_Rosenau—Getty Images

Observe the artisans at work at the Blenko Glass Company, which has been welcoming visitors to its Milton factory since 1921. There's a gallery of vintage colored and stained glass as well as a glass garden. If you're lucky, they may let you take a turn on the blowpipe.

Kenny Kemp—Charleston Gazette-Mail/AP

See how many of the 160 species of fish you can spot at the Aquarium at the Silverton Hotel, among them triggerfish, leopard sharks--and live mermaids. After all, this is Vegas, baby.

courtesy Silverton Casino

Play paleontologist at Agate Fossil Beds National Monument, where you can see fossilized menoceras and beardogs from the Miocene age found on-site.

NPS Photo

Skate under the city skyline at downtown Denver’s Southwest Rink at Skyline Park. One tip: go in the evening, when twinkly lights overhead add to the romance (and people will be less likely to notice if you take a spill).

Karl Gehring—The Denver Post/Getty Images

Visit “where the buffalo roam”—the Theodore Roosevelt-founded Sullys Hill National Game Preserve, on 1,674 acres.

courtesy Sullys Hill National Game Preserve

Quench your thirst on the way to Mt. Rushmore and the Badlands at Wall Drug Store, a Midwestern road trip staple since 1931. The shop, in Wall, S.D., became famous for giving away free ice water (and still does) to parched travelers. And you can still get a cup of coffee for only 5 cents.

Universal Images Group—Getty Images

Climb 3/4 of a mile in switchbacks up Mount Sentinel and get a hummingbird's eye view of Missoula’s iconic "M", built by University of Montana students in 1908. It’s best to go at sunrise or sunset, when the surrounding mountains and valley below are bathed in surreal, pink light.

Tom Gautier—Getty Images

Take an hour sailboat cruise on Seattle’s shimmering Lake Union, free every Sunday with the Center for Wooden Boats.

Joel Rogers—Getty Images

Spot sturgeon, salmon, and trout from the underwater viewing windows at Morrison Knudsen Nature Center in Boise. There’s also an informative "stream walk" where you might spot a beaver dam or two clogging up the waterfalls.

Getty Images

Feed your inner paleontologist at the University of Wyoming’s Geological Museum, in Laramie. Highlights include the 75-foot Apotosaurus skeleton and a chance to watch fossils being cleaned and prepped for possible display.

Matt Bilden—U.S. Air Force photo

Hike the trails and play on the Mountain Challenge course at the Olympian-worthy (literally) Utah Olympic Park in Park City.

Gene Sweeney Jr.

Dig for hourglass selenite crystals at the Salt Plains National Wildlife Refuge. Yes, you can take them home.

Randy Duchaine—Alamy

See petroglyphs carved into stone at the circa 1300 A.D. pueblos at Petroglyph National Monument. In a way, you might call these ur-Emojis.

Mark Newman—Getty Images

Ride the Scottsdale Trolley on its 45-minute tour through downtown, Old Town, and the Main Street Arts District. They come every ten minutes, so you can hop on and off as often as you want.

Mark Summerfield—Alamy

Go ahead and yell "Mush! Mush!" at the Iditarod Trail Sled Dog Race Headquarters, in Wasilla. Just remember that the dogs you'll meet there are officially retired from racing.

Jim Watson—AFP/Getty Images

Watch Polynesian hula dancers get down near the Hyatt Regency Waikiki, at the waterside Kuhio Beach Torchlighting and Hula Show. And don’t forget to say mahalo.

Getty Images

Score free tickets to the bone-chilling tour of Ford's Theatre, where Abraham Lincoln was assassinated. The catch: you have to show up at 8:30 a.m. for same-day tickets (advance tickets are $3).

Maxwell MacKenzie—Ford's Theatre Society

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And here’s an additional incentive: “The final week before Labor Day is the cheapest time to fly to most destinations,” says Patrick Surry, chief data scientist at Hopper, the airfare prediction app. During this time, domestic tickets to top destinations, which include Chicago, Denver, Las Vegas, Orlando, Los Angeles, New York City, Miami, San Francisco, and Honolulu, can be about $40 less expensive, per person, than in July. That’s a savings of $160 for a family of four!

Read More: Here's How Brexit Will Affect Your European Travel

Airfares on international travel drop by over 17% in late summer.

But timing is key. “Book now – at least three weeks in advance — for late summer travel because if you procrastinate, you’ll miss out since prices start rising as last minute demand kicks in,” says Surry.

Vera Gibbons is a financial journalist and senior consumer analyst with www.gasbuddy.com. A former analyst with MSNBC who appeared regularly on the “Today Show,” Gibbons was previously a Financial Contributor with CBS News. Prior to CBS, she worked as a Correspondent for CNBC’s “High Net Worth”. Gibbons has written for Inc., SmartMoney , Kiplinger’s, Real Simple, The New York Times, Fortune.com and CNBC.com. Today, she writes for CNN Money, FoxBusiness.com, and Bankrate.com.