The oldest U.S. Government building in California, and it's State Historic Landmark #1.

This eagle-topped spire remembers the military commander who snatched up California for the United States.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

One incredible room in the Santa Barbara Courthouse is covered in wall-to-wall canvas murals.

The beautiful behemoth is one of the largest trees of its kind in the United States.

Malibu's first beach home features an astonishing trove of ceramic tiles.

The legendary building that needed ghostly approval before being built.

Historic funicular railway, believed to be the shortest railroad in the world.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

A replica of the first public theater built in California.

The California capital city once stood 10 feet lower than it does today.

I Street Bridge is the heaviest swinging center bridge in the United States.

Art Deco stylings conceal the true nature of this bridge.

Outsider art or homage to aliens?

A sculpture dedicated to Napa Valley's oldest mineral water company.

California's own majestic geyser is powered by a subterranean volcano.

The fossilized remains of ancient California redwoods.

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

The people of Padua pledged to construct this church if the city was spared from destruction during World War I.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.