At the site of a graffiti artist's murder, fellow artists gather to pay homage.

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

Known as the site of 'El Dorado,' this mysterious lake is rumored to hold gold beneath its waters.

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

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

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

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

A lush oasis full of vibrant plants and striking geometric displays.

One of the world’s longest pedestrian suspension bridges.

This giant sculpture made of trash is a critique of society's wastefulness.

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

This star-shaped military outpost is now simply trying to protect itself from neglect.

The corpse bride of Portugal.

You can cross from one country to another in a single hop on this little bridge.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

Perhaps the most spectacular grotto along the Algarve coastline.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

This small chapel is built of human bones and decorated with a golden skeleton.

This unreal Portuguese palace looks as though it's made from a pile of different castles.