Furniture tries to escape an abandoned building in San Francisco.

A clear example of the process of erosion in action.

Ship-sized kinetic sculptural fantasy.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

The beams of the New College, Oxford dining hall come with an amazing story.

Where the alchemists dream of transmuting base metal into gold was actually achieved.

Concrete strongholds stand guard over the Golden Gate.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The most confusing clock in New York.

Elevated freight railway turned wildly successful urban park.

Impossibly life-like natural history models created out of glass by a father and son.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

The key to turning shifting dunes into the green oasis of Golden Gate Park.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Pop culture has helped to keep this iconic British building from being destroyed.

This experimental utopian "city of the future" in rural India may hold a dark secret.

A blooming house of worship for the masses.

An ancient iron pillar in Delhi that seems to be rustproof.

The site of the climactic scene from the classic horror film is now a historic landmark.

Home to items never before seen by the public.

This grand gothic brewery has been pumping out suds for over a hundred years.