A delightfully quirky blend of oddities spread throughout an old 1920s bank.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

This museum glorifies the humble potato.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

Natural rock water slides hidden in the remote forests of northern Idaho.

Home to the deepest rift anywhere on Earth.

One of the last socialist halls still standing in the United States.

A working ranch doubles as a sustainable hub for world-renowned classical music and large-scale sculptures.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

This amazingly preserved Gold Rush town is a historian's dream.

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

An architect's childhood fantasy treehouse made real.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

One North Dakota man's vast collection of rare rocks, polished orbs, and geological wonders.

This museum is a full-size replica of an original church constructed during the 13th-century.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

This Wild West attraction is alive with glitching automatons.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

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