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

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.

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

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

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

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

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

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

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

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

The Andean town where every single building is decorated with a brightly colored frieze.

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

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

The final resting place for the remains of 143 Habsburg royalty.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

A monument to the man who almost killed Hitler.

This conical hill was built as a testing ground for an engineer known as the Glider King.

A 12th-century fortress containing some of Berlin's oldest buildings.

A restaurant and observation deck built in a unique broadcasting antenna.

A fascinating insight into daily life in the Eastern Bloc.

This glacier interpretation center houses the world’s only bar made completely from glacial ice.

An intriguing antique iron Ferris wheel that most locals are sure was designed by Gustave Eiffel.