World War II-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

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

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

The world's first crowdfunded skyscraper has not gone quite to plan.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.

A celebration of Colombia’s premier contemporary artist.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

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

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

A magical oasis in the middle of the Negev Desert.

A lush indoor jungle fills this bustling Madrid transportation hub.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

Tel Aviv's popular neighborhood went though endless waves of transformation.

You can row a boat through this ancient underground reservoir.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.