A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The Magical World of George Phar Legler.

In 1975, a forestry worker in Arizona claimed to have been abducted by a UFO.

An unusual slot canyon in the Aztec/Navajo Sandstone has a cross-section like an inverted old-fashioned keyhole.

The wild west is still alive and well at this authentic mining town watering hole.

Water of undetermined depth has attracted rare fish and cult leaders alike.

Built some 700 years ago, this Taíno ceremonial site features ball courts, petroglyphs, and evidence of ancient astronomy practices.

Archaeological sites and great food inside the island's largest mangrove forest.

The short hike is worth the stunning views and crystal blue waters of a secluded beach.

A natural swimming pool in the middle of the Carite Forest.

This ancient trail has claimed the lives of over 2,000 people.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

Origin of the blue-skinned Fugates of eastern Kentucky.

This abandoned lighthouse looks like a rusting oil rig, but has managed to survive a number of storms.

This giant steer-skull edifice refuses to die.

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

For those going through a life transition, a place to leave behind a piece of your former self.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

Curious cave that stays a cool 56 degrees all year long.

Most-visited and most-photographed slot canyon in the American Southwest.