A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A massive sustainable farm designed by the mastermind behind Central Park.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

An office built to look like a giant basket.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

You thought Santa Claus didn't exist, but it turns out you were wrong.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Erosion and time have created a naturally-formed water park.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Giant granite rocks standing end-to-end like a train of circus elephants.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.