A Turkish ghost town abandoned in a population exchange with Greece.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

A deadly ancient portal to the underworld.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

A hotel and restaurant serving as the mecca of kitsch.

A ruined hotel with an unlucky history and an eerie present.

An eclectic trailer park retreat in the middle of the California desert.

Junkbots and mud babies are the masterpieces in this fantastically sci-fi art museum.

Where the polar bear watches over everything, and every drink is a double.

A modest reminder of treacherous waters at the Golden Gate.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

A monument to the love people have for their pets.

The restored and active Victorian-era final resting place of San Francisco.

One of few lasting examples of the brief octagon craze that developed into folly.

A whimsical antique shop with a strong air of mystery, filled with items from ages, and what feels like worlds, past.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

A store that sells all manner of bones, insects, and animal curiosities.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

Travelers exchange letters with woodland creatures at this mini post office.

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