South Korea's largely symbolic, barely used gateway to the North.

A serene space tucked amid the skyscrapers of Hong Kong's bustling financial district.

This hulking behemoth is actually five interconnected towers built in the 1960s.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A unique seaside cave where Aleister Crowley faked his own death.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

This former royal palace with gorgeous gardens became the first museum in Morocco.

Located within a historic park, the beacon is the oldest standing structure in Miami.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

A celebration of Colombia’s premier contemporary artist.

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

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

One of the largest underground systems runs under Canada's largest urban center.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

A museum of memories in what was once one of the most violent cities in the world.

This small bridge serves as a symbol of South America's independence.

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

This tiny shop has been serving traditional tamales for more than 200 years.

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

A self-taught astronomer fell in love with the stars and built his own observatory in Colombia.