The housing complex served as an anti-fascist fortress during the Austrian Civil War.

Op-art architecture designed for happiness.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

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

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

One of the figures in this Celtic sculpture continues to puzzle archaeologists.

These docile dragons are ideal inhabitants for the conservatory greenhouses.

The world's oldest optical museum is an odd collection where the exhibits look at you.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

This one has sailed five times as far as Sir Francis Drake's famous ship.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

Giant, friendly pelicans in Central London, the most unlikely of places.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.