The Nazis lost more men trying to take this Russian-held Stalingrad apartment block than they did when taking Paris.

This interactive sculpture allows visitors to leave a message in case a friend passes by.

An eccentric German artist built this weird and wondrous castle packed with shocking sculptures and alien art.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.

Its buzzing collection honors vibrator history.

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

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

Furniture tries to escape an abandoned building in San Francisco.

A free, public museum dedicated to the fascinating science of sight.

Golden Gate Park's historic collection of plants.

In this century-old literary safehouse, print is alive and well.

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

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

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

One of the best collections of wax anatomical models in the world.