Though they've since been renamed, these two streets hint at Dublin's darker days.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

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

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

The (usually) serene burial place of the world's most notorious drug lord.

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

A celebration of Colombia’s premier contemporary artist.

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

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

Colombia's biggest botanical garden contains plants from all across the country.

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

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

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.

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

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

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

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

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

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

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

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.