A massive sea stack famous for its appearance in The Goonies.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

Handmade treasures from around the world.

A unique piece of graffiti offers a little slice of local history and mystery.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This tiny man looms large over downtown Charleston.

A lone grave is quietly tucked away in Kanawha Riflemen's Memorial Park.

Home of modern dancer famously strangled by her own scarf.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

This turn of the century masterpiece has a mysterious goaty interloper.

An overlooked and unassuming engineering marvel.

This shop specializes in oddities and Victorian-inspired wonders.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.