This unofficial museum details the rise and fall of Colombia's most notorious narcotrafficker, Pablo Escobar.

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

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

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

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

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

By night, this auto repair shop turns into a taquería serving up some of the city's finest al pastor tacos.

This neon installation is a tribute to a Mexica god, who gave his skin to humanity.

This one-window stand has been home to a giant vat of slowly simmering meats and an array of unique tacos for almost 50 years.

The world's second largest single-dish radio telescope, once used to contact E.T.

Puerto Rico's oldest rum producer started its 140-year-old business with "a little barrel."

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

The world's brightest bioluminescent bay.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

This abandoned hospital is one of the most haunted places in Costa Rica.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

A secret climbing tree hides along the side of a Costa Rican road.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Sloth rehabilitation center in the jungle of Costa Rica.

An enormous, 30-story-deep hole in the middle of Guatemala City.