A magnificent winding road through a steep valley, with deep natural caverns at the bottom

Semi-precious Blue John stones have been mined in this cavern system for centuries.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

England's largest white horse isn't even white.

WWII artifacts, including the building itself.

Britain's tallest megalith towers over the cemetery of a quiet English village.

The little-known second castle that William the Conqueror built in York.

An incredibly well-preserved piece of ninth-century Viking poop.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

One of the shortest streets in York has an especially odd name.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

This network of narrow, medieval passages has the most delightful name.

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

Follow the original medieval paths that wind through this intriguing section of the city.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A hamlet full of permanent Christmas spirit holds one of the earliest theme parks in the United States.

It wouldn't be long after purchasing this farm, Brown would lead his siege on Harper's Ferry.

A small, but award-winning beach known for its literally spotless reputation.

Come for the flowers, stay for the bats!

The Victoria-era quarantine station for Sydney.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

These naturally occurring but rare geological formations are each about the size of a small house.

Giant wheel of cheese marks a dairying village.

A little-known museum of Ancient Roman and Ancient Greek artifacts.