This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

The Boston square dedicated to the dark poet who was born nearby.

An enormous, inside-out glass globe built in 1935.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

A restaurant and observation deck built in a unique broadcasting antenna.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

An eerie, derelict amusement park in Berlin.

Beijing's version of Disneyland, completely abandoned, mostly destroyed.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

Why walk on this historical site when you can zoom down instead?

The most famous location in China was home to whole dynasties worth of imperial rulers.

Barça football fans might see the insignia hidden in a church window as a divine sign.

Week-long block party becomes a competition for the best decorated street.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Europe's official "zero-level," the equator of elevation.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.