This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

Journey through the largest remaining peat bogs in the contiguous United States to see the wilderness as it once was.

Home to a 26-foot-tall statue of an American icon.

This 25-foot-tall statue was built as a protest to a property dispute.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

The highest bridge in America was built for an almost unnervingly small amount of money.

There are eight natural springs around town, each with a slightly different taste.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

The first declared National Monument in the United States.

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

When ecosystems collide in the arid Southwest.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

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

A natural formation that resembles a camel resting in the New Mexico desert.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.