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

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Golden Gate Park's historic collection of plants.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

This turn of the century masterpiece has a mysterious goaty interloper.

San Francisco's newly reopened hands-on science museum.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

Playable, historic pinball machines fill this Alameda museum.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

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

The world's first permanently occupied mountain-top observatory continues to report on the stars.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

From the Difference Engine to the Cray-1, all under one roof.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

This giant shopping mall still holds signs of its automotive past.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.