This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

These headstones and a few stone foundations are all that remain of a once-booming mining town.

A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

Kay Andrews's recipe was so good, her family immortalized it in stone.

This wooded grove of beautiful hand-built stone grottos is a hidden gem within a shuttered Franciscan monastery.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

A Nevada mining boomtown that ran out of silver and luck.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

Jurassic Park—A Still Life.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The summer home of the largest colony of bats in the world.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

Come for the speed, leave in love with the desert.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

These aggressively sustainable art homes look like something out of 1970's science fiction.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.