This nearly abandoned town was once a thriving mining community until a series of fires.

A wild west land agreement was etched right onto this historic Idaho stone.

The mayor made the declaration in 2004.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

Home to the deepest rift anywhere on Earth.

The fifth-longest natural arch in the world, and the longest outside China.

Home to a timed geyser created by complete accident.

The decaying ruins of a failed mining company’s water diversion project cling to the side of a desert canyon.

This interpretive path lets you get up close and personal with dinosaur bones.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

When ecosystems collide in the arid Southwest.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

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

Every president in history is immortalized in bronze in downtown Rapid City.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

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

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

Towering basalt columns, a creation of fire and ice.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.