A B&B on a Victorian lighthouse station in San Francisco Bay.

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

Neoclassical Revival mansion and set of horror cult classic Phantasm.

The mysterious round rocks of Schooner Gulch.

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

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

The largest drain hole in the world.

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.

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

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

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Eclectic collections, artwork, and some feline friends fill the writer's former home.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

The only recreation of William Shakespeare's indoor playhouse.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

A Parisian boutique devoted to la Sape, the elegant Congolese fashion subculture rooted in European colonization.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

France's most famous cemetery, with some of its most curious tombs.