Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A tongue-in-cheek arcade where the games are based on everyday life.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.