In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The largest and most famous wax anatomical collection anywhere in the world.

The middle finger of modernity.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

The fairy tale castle of the "fairy-tale king."