One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

The location of the last stand of Charles Manson's doomsday cult.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

Windswept and remote, this island was once the home of a rare mammoth and today is home to a rare tree.

The smallest country in the world.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

A breathtaking 19th-century trail overlooks Lake Tahoe.

This historic estate on the east shore of Lake Tahoe was home to an eccentric millionaire (and his pet elephant, Mingo).

One woman's Viking Castle on Lake Tahoe.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

Alien rock formations grown from the sands of an Australian national park.

These strikingly barren, rolling red hills were caused by bad farming practices.

A former coastal watch post has been turned into a bothy with unrivaled views of the sea and its inhabitants.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

This unique graffiti art from the 1940s has become a staple of this local landscape in the remote California desert.

One of the most unusual geological features, recognizable from a dozen hit movies.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.