A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

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

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Private collection of art inspired by cabinets of curiosity.

This frequently-photographed waterfall takes only a short hike to visit.

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

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A heavenly experience, right here on Terra Firma.

A beautiful geyser under environmental threat.

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

The first declared National Monument in the United States.

A museum dedicated to the history and exploration of both popular music and science fiction.

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A beautiful 62-acre Catholic shrine and botanical garden.

A hand-built folk art installation covered with messages of God's love.

An emporium for the weird, creepy, rare, and just plain gross.

Stroll through a wonderland of stupendous moss-covered trees.

The seamy, underground secrets of Portland's criminal past.

The ghostly remains of an accidental sea.

The only theatre in the world constructed specifically for sound movement.