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

A modern mechanical planetary system, part of a 10,000 year clock.

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

The only theatre in the world constructed specifically for sound movement.

A mysterious painting of the self-declared Emperor of the United States watches over a local hof-brau.

A museum befitting the city responsible for supplying the majority of the world's LSD.

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

A private home built to resemble the shape of a microscopic creature.

San Francisco's newly reopened hands-on science museum.

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

A large instrument played by the wind.

Outsider art or homage to aliens?

A strange house built only at night, with rumored mystic inspiration.

The only museum of sake in the United States is nestled in an unlikely California college town.

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

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.

A celebration of once forgotten materials.

Oakland's beautiful monumental cemetery.

Spiral labyrinth hidden in the hills above Oakland, CA.

An archive of nearly every day of Buckminster Fuller's life.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Location of the most powerful laser in the world, and the potential birthplace of tiny stars.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.