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

The remnants of a 1970 plane crash remain high in the Rocky Mountains.

A multiversal transit station located right below a highway interchange.

A small store filled with animal skulls and other curiosities.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

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

This oddity shop contains everything from antique tools to a human skeleton.

After this former brothel closed, its interior remained almost frozen in time.

A cemetery housing wild west legends in South Dakota.

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

A small Wyoming town is home to the state's oldest-operating soda fountain.

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

The only retired U.S. nuclear missile silo that is open to the public.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

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

Oddly shaped rock formation, misassociated with a nearby utopian community.

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

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

This Moab institution functions as both a rock store and a small natural history museum.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

This roadside stop between Goblin Valley is the perfect location to view some of the region's natural wonders.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

Entering this curiosity shop is like stepping into a mad scientist's lab.

An out-of-the-way state park in Oregon that features both a picturesque waterfall and the ruins of a hydropower plant.