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

This shop specializes in oddities and Victorian-inspired wonders.

Gold Rush-era tombstones line the park's paths.

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

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

An essential stop before plundering, BYO Cutlass.

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

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

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.