A library where thousands of books explain how to avoid another Great Recession.

A vortex fountain that seems to rise out of the ground.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

Museum celebrating the history of computers, especially their role in codebreaking.

This lovely ancestral home inspired the author D.H. Lawrence, and features a tunnel made out of a living willow.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

This sculpture is an instrument played by the swell of the seas.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

This charming railway is one of the oldest and steepest funiculars in England.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

A perfectly running 230-year-old silver automaton and music box.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

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.

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

The Origin of On the Origin of Species.

This tiny little cave was said to have been a refuge for a saint with a glowing arm.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.