A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

A cluttered and astounding collection of antiquities and curiosities.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A historic house left in "dramatic still life."

The signs of a long buried road can still be found hidden beneath a London sewer grate.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Rebuilt remains of a temple to Roman god Mithras.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.