Picturesque intersection of witchcraft and ancient Christianity.

A unique seaside cave where Aleister Crowley faked his own death.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

“Invented in Key West, Perfected in Brooklyn."

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

This huge work of functional public art replaced a landfill in New Jersey's Meadowlands.

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

These red marks, seemingly placed at random, are in fact not.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

This cavernous abandoned marble mine is popular with ice skaters in the winter.