The unbelievably opulent home built for an infamous newspaperman.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The site of murders and Satanic cult gatherings.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The largest drain hole in the world.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

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.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

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

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The ghostly remains of an accidental sea.

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

Olfactory delights in San Francisco's Botanical Gardens.

A hand-built folk art installation covered with messages of God's love.