This striking public art installation is suspended above a public park, designed to gently move in the breeze.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

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

Limestone caves with spectacular showcase chambers.

A spiritual vortex among the red rocks in Sedona.

An urban laboratory.

Miniature art that tells an enormous story.

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

A reproduction of earth's many biomes.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A self-built castle made by a mysterious man.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

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

The wooden airship was the largest flying boat ever built.

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

Home of Howard Hughes' Spruce Goose.

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

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

Tens of thousands of tiny birds swarm into one school chimney every fall.

World's largest porcine hairball sits in a collection maintained by Benedictine monks.

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