A reproduction of earth's many biomes.

The world's largest military aircraft cemetery.

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

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

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

Two creeks flow out of either end of this canyon in opposite directions.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

A river runs through this remote valley in a very unexpected way.

A unique arch graces the Dolores River Canyon near the Hanging Flume.

Only a few signs remain of the buried Colorado mining town that supplied the uranium for the first atomic bomb.

The decaying ruins of a failed mining company’s water diversion project cling to the side of a desert canyon.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

See massive fossils that are over 200 million years old in northeastern Arizona.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

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

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

It's safe—and permitted—to walk across these twin natural sandstone arches.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.