Every equinox this Maya pyramid puts on a spooky ancient light show.

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

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

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.

The first declared National Monument in the United States.

The only road through the heart of Glacier National Park.

Granting the right of way to ships over surface traffic since 1917.

Shoreline strewn with the remains of ghostly fallen trees.

"Polynesia on the Plains."

Known as "The Hill of the Little Devils."

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

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

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

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

A museum dedicated to the history and exploration of both popular music and science fiction.

Stroll through a wonderland of stupendous moss-covered trees.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.