San Francisco’s century-old Christmas Tree.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

A private home built to resemble the shape of a microscopic creature.

An abandoned, unfinished mansion on grounds strewn with lava rocks.

A four paneled, brightly multicolored mosaic adorns the side of this popular grocery store.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Gold Rush-era tombstones line the park's paths.

Thousands of turbines whir at at the origin of North American wind power.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

One of the most unusual geological features, recognizable from a dozen hit movies.

His discovery kicked off the Gold Rush. One of the hands on this commemorative statue points to the spot where he found the precious metal.

Abandoned hotel with adjacent lake and golf course.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Odd outsider art installations surround a Gold Rush-era ghost town.

The most magnificent bottle house in a town strangely full of them.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

Decor at “Nevada’s Oldest Thirst Parlor” includes Raquel Welch's brassiere hanging from a stuffed moose head.

A tree bears footwear on the loneliest road in America.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

The only thing still moving in this town is the eponymous hot spring.