Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

Locals spent years successfully fighting to save this beloved Brutalist behemoth from demolition.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

The world's only managed flock of mute swans was established as a factory for monk meat but is now an adorable sanctuary.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

The first archaeological site discovered by aerial photography.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

A petite castle folly in the English countryside.

Cliffs full of fossils at the portal to England's Jurassic Coast.

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

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

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

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

The largest greenhouse in the world is home to over one million types of plants.

400-year-old garden, restored to beauty.

Eighty million natural history specimens call this gargantuan museum home.

A fantastic castle rumored to be the birthplace of King Arthur.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A student driver's nightmare.

Famously misunderstood wonder of the ancient world