Fluffy and friendly alpacas nestled against the border of the beautiful Connemara region.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

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

Experience what life was like in Ireland during the Viking and medieval ages.

This 18th-century fort surrounded by a moat was used to store gun powder and ammunition, and now sits in the middle of a large part in Dublin.

A moody and picturesque riverside ruin overgrown with vegetation.

An important landmark in the history of algebraic logic.

Wander among the abandoned ruins of this once-powerful medieval town.

At the time of its construction, this hydroelectric power plant was the largest in the world.

It's said this geological anomaly was caused when the Devil took a bite out of the Irish mountainside.

A mysterious and endangered parasitic herb from the California desert.

Thousands of turbines whir at at the origin of North American wind power.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

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.

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.

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.

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

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

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