A unique tribute to the millions of animals who served and died for the British military.

This small collection of rare books was uniquely locked up for safe keeping.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

An architectural oddity hides in plain sight on this iconic London bridge.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

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

Black cat statues guard this temple-like Egyptian revival factory.

Its collection includes a broad array of social, geographic, graphic design, and political history.

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

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

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

Where condemned pirates met their grisly end at the gallows on the River Thames.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

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

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

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.