A beloved upside-down beacon off the coast of Northern Ireland.

The very isolated Charity Island Lighthouse has been watching over Saginaw Bay since 1857.

A petite white lighthouse perched on the ancient core of Stromboli Volcano.

Along this wire fence, travelers have been leaving a particular memento since 2012.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

This cliff-face port is considered a masterpiece of mining engineering.

The people's champion of the French Revolution was so overcome by grief at his wife's death that he exhumed her in the dead of night to make one final replica of her face.

Part ski resort, part modern art space, this lodge brings giant metal spiders and bloody doors to the Austrian Alps.

This Welsh hotel is the spiritual home of the British 1953 Everest expedition, the first successful ascent of Mount Everest.

This is why we can't have nice things on the Incan Trail.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Huge stone depressions which may have acted as an Incan agricultural experiment.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

This abandoned beacon is moving closer and closer to the sea.

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

This rusted shipwreck directly in front of a century-old abandoned lighthouse looks almost surreal.

Dozens of musicians have planted trees in this Danish park, and donated songs to go with them.

From buck blood to Theriak miracle tonic, this collection of Renaissance chemist's gear look's like a wizard's pantry.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

This simple highway curve has become a comedic pilgrimage site.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

During World War II, the Shroud of Turin was secreted to this remote southern Italian complex.

The disputed geographic center, or "navel," of Italy.