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.

A museum dedicated to the alleged Roswell Incident.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

This downtown Dallas art installation is always on the lookout.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

Baptisms in troughs and post-sermon rodeos at the world's biggest cowboy church.

It specializes in outsider art and artifacts of secret societies.

Unusual house, in an unusual neighborhood, home to some very unusual peanuts.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Turning night into day in Victorian-era Austin to thwart a serial killer.