A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

The metal leaves on this tree are engraved with the names of Holocaust victims.

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

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

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

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.

A historic 1929 art-house cinema that features independent, classic, cult, and foreign films in an atmospheric setting.

A hidden oasis just north of Chicago's Chinatown.

Kwanu'sila the Thunderbird has been silently watching over Chicago for more than 100 years (kind of).

This old-fashioned confectionary has been family owned and operated for more than a century.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Illegal drag racing two stories beneath Chicago’s streets.

A hot dog stand where the heads are just as hot as the dogs.

A hollow cement depiction of time's inexorable effect on the human body.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

One of the best examples of the modernist movement in Madrid.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

A haven for book enthusiasts across the street from Retiro Park.

Inaugurated three times, this tower offers some of the best views of Madrid.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

First planned industrial community in the United States.