Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

The miraculous hydrant that saved the Mission District in 1906.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Half of a house.

A monument to the love people have for their pets.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

The remains of a ruined mansion memorialize the 1906 earthquake.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Its buzzing collection honors vibrator history.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

Most-visited and most-photographed slot canyon in the American Southwest.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

Dramatic river bend surrounds a natural red-rocked pedestal.

Rippling sand dunes frozen in the Arizona rock.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.