Iran's colorful terraces are a rare geological masterpiece.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The largest self-built castle in the U.S., six decades in the making.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Abandoned silver mine strewn with wrecked and twisted structures.