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

The most loyal of little dogs, or a Victorian era publicity stunt?

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

Home to the most complete dodo remains known - one head, and one foot.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

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

A quiet memorial to those who died saving others in the heart of the City of London.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

Protecting the dead from opportunistic body snatchers.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

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

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

A century-old tradition has culminated in a small but singular collection of feline effigies.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

A sweet symbol marks the place where torturous executions were once carried out.