It's not your typical library, memorial, or book store.

This municipal playground was co-created by the father of one of the most playful characters ever.

The first safe in this California town had to hold all the gold.

Seven ceramic sculptures are scattered around this California college campus.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

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

A vast city of the dead, where the deceased outnumber the living by more than a million.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A winding path built in secret on the edge of the continent.

An enormous illuminated figure dances on the Las Vegas strip.

A man-made island in scenic San Francisco Bay.

A monument to the love people have for their pets.

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

A huge musical instrument played by the ocean.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

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

Visible below the waves are memorials to the city's Gold Rush dead.

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

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

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

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.