One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A hotel and restaurant serving as the mecca of kitsch.

The world's largest military aircraft cemetery.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

Limestone caves with spectacular showcase chambers.

A reproduction of earth's many biomes.

A multiversal transit station located right below a highway interchange.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

The home of the world's first and last remaining "wooly ant."

Massive crater in central Oregon.

This frequently-photographed waterfall takes only a short hike to visit.

A miraculous natural phenomenon known as "the spring that breathes."

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This black shoreline is made up of exploded lava particles.

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

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

This nature center has one of the largest collections of native raptors in the Pacific Northwest.

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

Tiny horses tethered to antique rings are scattered around the city.