Monument to a suicide protesting the Soviet invasion.

A mocking tribute to the past and modern leadership of Prague.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

A church of bones, decorated with 40,000 human skeletons.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

Before serving as James Bond's Casino Royale, this Victorian-era spa catered to the world's elite.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

A stairway to heaven, or to nowhere at all.

A giant snail sculpture looking longingly at the German traffic museum.

Go surfing on this urban wave, "hacked" by local surfers.

One of the most easily accessible examples of the rare 1960s UFO houses.

The unusually large seat sits atop the base of a ruined temple.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

A fearsome dragon clings to a corner of Munich's city hall.

A large AIDS Memorial Pathway art installation provides a moment for quiet contemplation in this public park.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

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

Surprisingly Delicious Asian-Style Hot Dogs.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

Four abandoned towers hidden above the Douglas fir forest in Washington.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.