These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

A pink and gray pair of pachyderms advertise a fireworks shop.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

The wooden house where the jazz great learned to play the piano.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

The site where Confederate president Jefferson Davis was defeated has been marked with a bust... that leaves that part out.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

A beautiful Arctic museum and nature center preserves the culture of the Sámi people.

This cairn marks the only place where Central European Time, Eastern European Time, and Further-eastern European Time meet.

This one-woman cemetery was a small civil rights victory.

The 40-foot-tall votive candle is the largest of its kind.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.