The second-largest giant sequoia in the world.

View the California coastline (and the home of Barbara Streisand) inch by inch with stunning, government-sanctioned aerial photography.

Don't bother sending any mail to this ghost town.

A 50-foot tile mural mosaic for the 100-year anniversary of the Statue of Liberty.

An abandoned boat that's been stranded mysteriously for decades.

Traversing these canyons, visitors can take in stunning views and glimpses of the region's history.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Celebrating the transformation of trash into objects of beauty.

One of the last free public hot springs is decorated with hippie art.

Canyon walls shrouded in ferns.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Quite simply the largest tree in the world (by volume).

The former home of the hard partying literary power couple is now one of the only museums devoted to their story.

A unique work of outsider art sourced from scrap metals and signifies conservation.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Where the author wrote her beloved "Little House" books.

The first declared National Monument in the United States.

Once used as a deterrent to drinking alcohol.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The land is home to swimming ponies and a legendary 18th-century treasure.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.