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

A motel dedicated to Southwestern nostalgia.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Ancient pueblos built into the base of a natural canyon wall.

This historic national park is covered in the stunning ruins of red rock pueblos.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A controversial memorial at the place where Captain Cook met his violent end.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Tucked in the back of this amazing antique store is an important piece of medical history.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

The longest fence in the world stretches over 3,000 miles to keep the dingoes out.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

A fitting attraction for the corn capital of the world.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.