A museum dedicated to the least secret spy is actually an attempt to get Hollywood's attention.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Amsterdam's Red Light District leaves little to the imagination.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

The attic of a four-century-old canal house hides a clandestine church.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

Cold War missile launch site which has been converted to a public park.

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

In the Shawnee National Forest, amazing rock formations peer through the treeline.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

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

One of the few surviving "Wigwam"-themed motels.

The world's longest known cave system.

The face of a woman pushes its way through the earth.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.