Internationally known record store and purveyor of "dusties."

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

This fortress was designed to prevent a Nazi invasion but was never used.

The ghostly remains of what was once the world's richest copper mine.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

These cinderblock farmhouses were actually World War II radar stations in disguise.

Watch the newest land on the planet form before your eyes.

The longest living non-clonal organisms on Earth.

The only road through the heart of Glacier National Park.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The king of U.S. high points towers over every other peak on the continent.

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

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.

See massive fossils that are over 200 million years old in northeastern Arizona.

Stroll through a wonderland of stupendous moss-covered trees.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

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