This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

A statue of the second-tallest Dutchman in history.

A mysterious castle built as a monument to lost love.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

It's a pretty creepy lock-up.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A dangling church built over a Colombian gorge.

The only parking meter in the entire town, it is surrounded by 100 free spaces.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

Less a museum than a bizarre fantasy world created by artists and engineers.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Bohol's mysterious brown hills.

Ancient paintings known as the "Sistine Chapel of Cave Art."

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

A 16th-century horror show built in a lovely Italian garden.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

There aren't too many operational funiculars around, but Pittsburgh has two!

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.