A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Take a monster truck tour around an ostrich farm in the middle of the desert.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.

A museum devoted entirely to the rattlesnakes and snake-related art.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A self-built castle made by a mysterious man.

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

This Seattle museum displays the history of the telephone through an impressive collection of telecom equipment.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

Rustic natural hot springs in the deciduous rain forest.

A whimsical village of unique treehouses resides in a Washington forest.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

This Colorado fire station has been in continuous operation for more than a century.

An environmental art installation inspired by farmhouses and crop circles.

Take a self-guided tour through one of Colorado's most elevated mining districts.

Take a dip in the world's largest mineral hot springs pool.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

This beach pool offers a spectacle of crashing waves, blue hues, and a historical lighthouse.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

Enjoy the waters of this half-moon-shaped natural pool surrounded by breathtaking scenery.