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

The last of its kind in the country.

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

Historic funicular railway, believed to be the shortest railroad in the world.

An essential stop before plundering, BYO Cutlass.

Quite simply the largest tree in the world (by volume).

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

Tiki luxury on Nob Hill.

World-famous, Pink's still manages to keep its prized cult fetish status.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

A trash dump made beautiful by nature's power.

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

A one-of-a-kind collection of a unique medium.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A huge musical instrument played by the ocean.

This classic restaurant features a gorgeous mirror-clad room.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

A tiny, intricate model railway system.

An old tram depot transformed into a vintage car paradise.

One of the last remaining railway viaducts equipped with a transporter ferry.

This concrete residential area doubles as an open-air gallery.