Most-visited and most-photographed slot canyon in the American Southwest.

A tunnel with windows, so you don't miss out on the impressive views.

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

This quiet park's strange sedimentary spires were named after Kodak's color film.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

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."

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

This museum glorifies the humble potato.

Home to the deepest rift anywhere on Earth.

The only road through the heart of Glacier National Park.

New fungal and bacterial species call this deadly lake home.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

A fitting attraction for the corn capital of the world.

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.

This massive roadside mascot was the first version of the giant to illustrate his butt.

Ever wanted to can Spam?

Giant six-pack could provide one person a six-pack a day for 3,351 years.

A place to eat for on-the-run agents and espionage enthusiasts.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This cave holds a surprisingly colorful variety of geological oddities.

A bizarre house filled with an astounding array of collections.