The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

The highest point in Washington state is a volcano covered in glaciers.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

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

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Artifacts from a battleship sunk at Pearl Harbor displayed in the Capitol building of its namesake.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A spiritual vortex among the red rocks in Sedona.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The drama of nature in full effect in this Nevada State Park.

Named after an outlaw who used the basin as a hideout.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

An architectural marvel that combines Gothic architecture with Indian elements.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Avoid gangster interaction while window-shopping.

Lie in a hammock where George Washington stood.