Climb right into the heart of this colorful Iceland volcano.

This elegant arc of a waterfall marks a religious turning point.

Walk in the footsteps of the gods and straddle two tectonic plates.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

Something's watching you.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

100 massive sculptures in the Hudson River Valley.

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

A winding, cliffside stretch of road overlooking the Delaware River.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

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

The magic's in the hole!

An existential riddle in the world's largest ancient castle.

A fascinating little museum all about the rich history of Peru’s famous plant.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."