Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A section of destroyed vertical lift bridge stands alone in the Peene river.

This remote island, home to the easternmost point in Denmark, once hosted pirates and a military fortress.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

One woman's lifelong collection is on display in this unassuming house on an Icelandic fjord.

This Victorian graveyard in Leeds is a macabre collection of beautiful tombs and memorials.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Another in a long tradition of legends regarding infernal seats.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

The park is home to the United States's only still-operating Dutch windmill.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

An ever-evolving wall of graffiti art off East Liberty Street.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

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

The city is full of whimsical portals to another world.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

A castle built by an eccentric medieval enthusiast in suburban Ohio.

This magnificent Cincinnati graveyard is also a popular public park.