A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

A prehistoric rock shelter that's literally in someone's backyard.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

There are many Byzantine-era churches still standing in Athens, but this is the only one with a 2,500-year-old column rising through its roof.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

A mysterious spirit totem at the edge of Navajo lands.

The cinder cone volcano with a less than complimentary name.

An homage to everyone's favorite prehistoric cartoon family.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

Rippling sand dunes frozen in the Arizona rock.

Possibly the world's only drive-in movie theater with an attached motel.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

The ruined doorway is a portal to the building's turbulent and torturous past.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.