The largest wooden building in the world now houses a fascinating collection of aircraft.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

Only known mainland rookery of the threatened Stellar sea lion.

A tourist attraction founded around a slumping cabin.

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

Home of Howard Hughes' Spruce Goose.

This charmingly homemade amusement park has been growing for 40 years.

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

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

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

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.

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

Hollowed out cedar log tubs set in an ancient towering forest.

Watch the newest land on the planet form before your eyes.

This black shoreline is made up of exploded lava particles.

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

The famous aviator's final resting place is a study in natural beauty.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

The drama of nature in full effect in this Nevada State Park.

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

Singing sand that stands as the final remains of an ancient lake.

The longest living non-clonal organisms on Earth.