Mysterious 500-year-old tapestries depict a unicorn hunt.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

This small-town pizzeria won the Hollywood lottery.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

The world's brightest bioluminescent bay.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

When ecosystems collide in the arid Southwest.

Mexican food and folk art.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

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

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The world's longest known cave system.

The only road through the heart of Glacier National Park.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

Native Americans built this circle of stones, which was used to predict astronomical events.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.