Traditional 11th-century outdoor tannery.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The other side is actually green.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

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

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

Three hundred illuminated pillars form an “artificial forest” in Medellín.

In the heart of Medellín, an artsy urban complex sets the stage for demonstrations and protests.

A celebration of Colombia’s premier contemporary artist.

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

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.

This narrow street is packed with street vendors and bars selling chicha.

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

The first hospital in the New World.

The final resting place of Christopher Columbus - or possibly someone else.

Built in 1512, the oldest cathedral in the Americas.

The oldest colonial fortress in the Americas was once the home and later prison of Christopher Columbus.

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

Renowned restaurant tucked in a cave once occupied by buccaneers.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

Neo-cave art on the macro scale.

Besides being home to cave paintings and pre-Columbian Cuban archaeological remains, you get to take a boat through this stalactite and stalagmite covered cave.