To find the "unicorns of the deep" you've got to go downstairs.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The world's largest collection of the world's largest objects is in one small Illinois town.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

A massive tribute to this small county's top agricultural product.

An abandoned theme park with a strange and tumultuous past.

Prehistoric animals decorate this popular outdoor park.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

A bizarre house filled with an astounding array of collections.

Watch the newest land on the planet form before your eyes.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

A building so large that it has its own weather.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.

Marta Becket's hand-painted theater in the desert.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

This giant temperature attraction created some giant electric bills.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

The ghost town that ended up on Ebay.