The other side is actually green.

Mosaics, storks, and brothels—this ancient city has it all.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A museum wholly devoted to juvenescence.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Ship-sized kinetic sculptural fantasy.

Charles Babbage's proto-computer, painstakingly brought to life.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A clock designed to run with perfect accuracy for 10,000 years.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

The only runway directly into the magic kingdom has been closed since 1972, but it still sings to you if you drive fast enough.

Electrical pylon in the shape of Disney's beloved mouse.