This tiny patch of arid sand sits in one of the greenest states in the United States.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

Dioramas and animatronics lead you through the story of Bhagavad-gita, the Indian literary classic.

Community owned and operated, this property is home to a diverse set of nudists.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

The 606 is a decade in the making.

This stunning mass of ice spans 121 square miles and is still growing.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Ghosts of France's colonial past.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

Where monkeys run wild and the humans are caged.

A Gothic cathedral created from volcanic rocks.

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

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

A community of collapsing homes more than a mile out from the Florida coast.

This pebble beach is so beautiful that taking its rocks is against the law.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.