Olfactory delights in San Francisco's Botanical Gardens.

The last of its kind in the country.

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

Eclectic collection of dark and macabre antiques.

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

Exotic feline breeding compound and conservation center.

Canyon walls shrouded in ferns.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

A museum befitting the city responsible for supplying the majority of the world's LSD.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

Its buzzing collection honors vibrator history.

Shop selling 500 flavors of soda has something for everyone.

A hotel and restaurant serving as the mecca of kitsch.

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A 140-year-old castle with underground caves hidden in San Francisco.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

Medical and zoological curiosities for sale.

The only theatre in the world constructed specifically for sound movement.

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

The ghostly remains of an accidental sea.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.