A collection of abandoned typographic signs from Berlin and beyond.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Lavish royal estate punctuated with heated greenhouses.

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

35,000 grape hyacinths flow like water down a garden hill.