This popular cave pool is truly magical, despite the crowds.

This stone quarry was used to make axes and other tools more than 6,000 years ago.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

These ruins of a medieval church are full of architectural mysteries.

This lonely rock has been turned into a character loved and feared by children.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

A semi-abandoned village destroyed by U.S. bombings during World War II dominates the valley of Turano.

The most remote tree in the world is more than 170 miles from its nearest neighbor.

These legendary stone steps were once used to haul coffins up the rockface.

A memorial to a goat culled during a foot and mouth disease outbreak guards a series of fantastical caves.

In this truly magical place, rent hasn't been raised since the year 1520.

This tiny 19th-century tunnel was built so a man could move his cows from one field to another.

Odd outsider art installations surround a Gold Rush-era ghost town.

A river runs through this remote valley in a very unexpected way.

The commemorative stone column conceals a secret laboratory.

These little-known sands dunes are a geological anomaly in Saskatchewan's southern prairies.

This single-track road rewards brave drivers with stunning Scottish scenery.

The most southern point you can drive to in the Western Hemisphere.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

The location of Puerto Rico's first water bottling plant, thanks to a collaboration between Mother Nature and technology.

It's a mystery how these curious columns wound up in an Edinburgh suburb.

This museum dedicated to divination also honors a local 10th-century prophetess.

Locals call this magical moss-covered walkway the "Emerald Path."

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.