An eccentric folk art landmark made out of discarded bottles by an inspired "grandma."

The oldest continuously operating church in California.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

A wartime promise becomes a shrine to Our Lady of Lourdes.

Roman ruins top white travertine terraces formed by ancient hot springs.

Fantastic lake on the heart of a fault line.

Large miniature theme park with 100-plus models.

The ancient latrines of the Greeks, in all their public glory.

Roman ruins, natural methane fires and a lovely beach.

Ottoman-era houses lovingly preserved.

This ancient subterranean megalopolis is known for the hot oil traps that were installed above each of its entrances.

An ancient church on a tiny island covered in stone bible stories has controversially been turned into a museum.

Standing proud atop a Turkish bluff, this Ottoman palace has retained its grandeur despite being abandoned for centuries.

This museum was invented in a novel before being made real by the author.

The home-turned-museum of Barış Manço, the mustachioed Turkish Elvis for children.

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

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Naturally protected city carved from a rock face.

Along a California highway is a kind of Jurassic Park made of metal.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Rusting ships sit in a desert where a sea used to be.

A Turkish monastery tucked into a cliff wall.