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

100-year-old shipwreck you can walk up to at low tide.

Where Nor'easters go to die.

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

A massive sea stack famous for its appearance in The Goonies.

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

Two massive rock outcroppings on the Oregon coastline.

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

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.

Portlandia is the second-largest copper repoussé statue in the United States.

A sculpture of a salmon swimming through a brick building.

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

A mysterious "wedding cake" castle in the middle of the urban desert.

The unusual burial monument of Arizona's first governor.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

This dramatic rail curve was once the target of a failed Nazi attack.

No one knows who painted this mysterious mural in a Penn State basement.

This enigmatic building features numerous architectural styles.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

Explore the wide world of desert plants at this unique Palm Springs botanical garden.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

Explore 10 acres of environmental sculptures.