Where the writer penned his famous story about a jumping frog.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

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

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

The huge granite obelisk that towers over a small California town.

A natural dome made of volcanic glass in Inyo National Forest.

Towering basalt columns, a creation of fire and ice.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

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

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

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

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

Private collection of art inspired by cabinets of curiosity.

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

A beautiful 62-acre Catholic shrine and botanical garden.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

This old ruin once served as a post office, a train station, a restaurant, and a bridge to the Atomic Age.

The vanishing remains of an old water station from the late 19th century.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

A famous flea market artist's studio that's full of odds and ends.