A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

Where the lovelorn find a home for their sentimental keepsakes.

A winged-helmed, sword-brandishing tribute to German Americans.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Bill Murray bowled three straight strikes here at Reno's "Taj Mahal of Tenpins."

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

This natural wonder is disappearing at an alarming rate.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

A beautiful geyser under environmental threat.

Home to the deepest rift anywhere on Earth.

The only road through the heart of Glacier National Park.

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

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

Oregon's unexpected high desert, displaying layers of time in a colorful show.

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

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

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

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

10,000 flowered plants bloom in the City of Roses.

The magic's in the hole!

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

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