Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

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

Commonly referred to as the most photographed Victorian home in the United States.

Ozymandias’ time-keeping temple.

The eccentric mansion of one the most popular horror authors of modern times.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

One of the world's largest ice festivals dazzles visitors for over a month with radiant sculptures and carvings.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

This massive redwood tree has a hole in the base big enough to drive through.

Copenhagen's celebrated theme park and gardens.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

One part local history, 99 parts gruesome haunted house.

Hear the quietest sound from across the dome.

A beautiful geyser under environmental threat.

A museum dedicated to the alleged Roswell Incident.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

France's most famous cemetery, with some of its most curious tombs.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A battle between nature and architecture in the Cambodian jungle.

An eerie, derelict amusement park in Berlin.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.