A small museum filled with unique fossil finds, including one of the oldest specimens of ground sloths found in Colombia.

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

Storied crypts fill the most famous cemetery in Colombia.

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

A celebration of Colombia’s premier contemporary artist.

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

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Once the home of a hermetic monk, this cave now houses a small church.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

These 2000 year old remains of a Roman aqueduct are hidden inside a hotel lobby.

An early 20th-century bullring converted into a modern shopping center.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

This cemetery features modernist statues as strange as its name.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

A unique interactive experience of everyday life in communist Yugoslavia—a very different time in Croatian history.

Inside this mansion turned museum, the works of prominent Croatian artists are on full display.

Up-close opportunities to see working birds of prey.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

The hallowed ground of one of the worst atrocities in United States history.