semislug's User Profile - Atlas Obscura
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San Luis Obispo, California

The Dorn Pyramid

A Mysterious Masonic tomb in San Luis Obispo.
Added by cargocultnoise
San Bernardino County, California

Amboy Crater

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.
Added by zackofalltrades
San Diego County, California

Goat Canyon Trestle

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.
Rachel Added by Rachel
Inyo County, California

Saline Valley Hot Springs

A hard-to-reach oasis in a desolate corner of Death Valley National Park.
Tre Added by Tre
Point Arena, California

Bowling Ball Beach

The mysterious round rocks of Schooner Gulch.
Annetta Black Added by Annetta Black
Landers, California

Giant Rock

A regular looking rock with an unbelievable history.
Added by fta2day
Newberry Springs, California

Rock-A-Hoola Waterpark

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.
amboy Added by amboy
Sequoia National Park, California

General Sherman

Quite simply the largest tree in the world (by volume).
Added by KG
Mono County, California

Hot Creek Geological Site

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.
Ysabet Added by Ysabet
Death Valley, California

Wildrose Charcoal Kilns

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.
leiris Added by leiris
Murphys, California

Mercer Caverns

A popular tourist cave with a dark past.
Calistoga, California

Calistoga Petrified Forest

The fossilized remains of ancient California redwoods.
Annetta Black Added by Annetta Black
Julian, California

Eagle and High Peak Mine

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.
Added by noctivagant
Trona, California

Trona Pinnacles

One of the most unusual geological features, recognizable from a dozen hit movies.
Added by BrianDunning
Mono County, California

Crowley Lake Columns

Eons old volcanic activity created one of the most stunning rock formations in the United States.
kenaalto Added by kenaalto
Tulelake, California

Lava Beds National Monument

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.
Sponsored by Visit California
Trevor Added by Trevor
Napa, California

Monticello Dam Morning Glory Spillway

The largest drain hole in the world.
Added by Jehuty
Three Rivers, California

Glowing Millipedes of Sequoia National Park

These millipedes glow not out of attraction, but as a not-too-subtle warning.
Jeff Wagg Added by Jeff Wagg
Landers, California

The Integratron

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.
anhie Added by anhie
Amboy, California

Amboy Ghost Town

The ghost town that ended up on Ebay.
Added by ajackson
Los Angeles, California

Sunken City

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.
Added by Bswanson
San Francisco, California

Alcatraz Island

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.
AllisonEng Added by AllisonEng
Lee Vining, California

Mono Lake

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.
anhie Added by anhie
Mammoth Lakes, California

Devils Postpile National Monument

Towering basalt columns, a creation of fire and ice.
Tre Added by Tre