Antarctica's bustling metropolis, originally established by Richard E. Byrd.

The best place to send your postcards home from Antarctica.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

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.

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

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

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

Cathedral carved out of salt, located a mile below the earth's surface.

This colonial town in Colombia sits around the largest stone paved square in South America.

The religious shrine that Pablo Escobar's men would allegedly visit before completing a mission.

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

Two identical statues by Fernando Botero, one blown to pieces in a terrorist bombing, the other donated as a gift for peace.

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

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

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

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

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

Located outside Medellín, this Colombian park focuses on conservation and sustainability.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

In the middle of one of South America's most historic walled cities lies a bar with an enormous collection of Soviet memorabilia.

The colonial city's social history is reflected in its fanciful door knockers.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.