Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

The location where the iconic movie character declared it was time to go home.

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

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

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

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 hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Make your reservation to have coffee with some kitties.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Private collection of art inspired by cabinets of curiosity.

A vertically floating hemlock controls the waves and weather at Crater Lake.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Stroll through a wonderland of stupendous moss-covered trees.

Rustic natural hot springs in the deciduous rain forest.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Peruse rare tomes like poetry bound in pearls or books with branches and berries growing out of their spines.

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

A colorful architectural gem in Seattle's uniquely modern Central Library.

Often referred to as the largest spring in America.

One of the deepest springs in Missouri.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.