A huge musical instrument played by the ocean.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The drama of nature in full effect in this Nevada State Park.

Experience a charming 1930's version of "infotainment."

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.

This former lieutenant governor's home is brimming with curiosities.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The most isolated mailbox in America lets desert travelers record their passing.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

The ghost town that ended up on Ebay.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

An old California photo stand has been turned into a shrine to the cozy art of crochet.

Four hundred granite steps were built into this massive rock by the National Park Service.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

An alley covered with 20 years of bubble gum.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Home to the "Circus" trees created by Axel Erlandson.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

Walk 2,300 feet above the ground on the "Troll's Tongue."

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.