A rich history stashed behind an unassuming door in the heart of Gold Country.

A fine mixture of the old and the new topped with an art deco neon spire.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.

A unique museum where guests can rent and operate a locomotive.

Mine your own precious stones.

One of the largest fleets of armored vehicles in the world, sitting out in the California desert.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

A hidden gem of a saloon in the middle of a ghost town.

These century-old beehive-shaped kilns were built to produce charcoal for nearby mines.

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.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

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

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

Formerly secret, precariously perched boulders.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

A sprawling cave network created by a lone lava tube.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

An old World War II hangar holds 20 vintage aircraft and the rare opportunity to take a ride in a 1940s warbird.

Post office plaque commemorates local resistance to a cult invasion.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

A stunning landscape of bunkers that once stored chemical weapons.