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.

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

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

A tree bears footwear on the loneliest road in America.

The museum is housed inside the historic 1863 Carson City Mint.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

These markers are used to document elevation changes around the famed dam.

A Roman-style column in Oregon hides a spiral staircase inside.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This black shoreline is made up of exploded lava particles.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

Roadside collection of 65,000 signs.

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

This Native American settlement dates back to the Pueblo II period.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.