This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

The unique circular corral belonging to the “Cattle King” of Oregon.

At the base of Steens Mountain resides an otherworldly desert.

A volcanic fissure over two miles long and up to 70 feet deep.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

On the Oregon coast is a natural hole that seems to be draining the sea.

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

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

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

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

A beautiful 62-acre Catholic shrine and botanical garden.

The magic's in the hole!

This extinct shield volcano is the lightning rod of the Cascades.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This 19th-century museum inside of a lighthouse is only accessible during low tide.

Sasqu(w)atch out!

A public fountain that spouts "health water" from a nearby spring.

Shakespeare has been brought to life in this open air theater for the better part of a century.

A forensic lab dedicated to fighting crimes against wildlife.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

The Hudson River School comes alive at this palatial estate.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.