A mesmerizing disco ball-like sculpture along the Sacramento River Walk.

The capitol city's oldest existing cemetery.

An eccentric home stands out in an otherwise average neighborhood with mosaics, mini topiaries, and kinetic sculpture.

A hidden subterranean installation offers a view of the sky.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A century and a half of research in the sciences and natural history, still going strong.

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

This abandoned boat was left in place thanks to its rotting beauty.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

'Cause the fence start shaking, the earth was quaking.

This small oasis of flora and art was created in remembrance of a local auto business owner.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

Check out a shovel along with your Shakespeare.

Built in 1931, this small passageway is believed to be the first modern skyway.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

This fully intact Neoclassical-Greek Revival style firehouse operated until 1938.

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.