This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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

Inside a Scottish castle hangs the tattered remains of a flag with murky origins and supposed magic powers.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

Did he come up with a theory of cosmic-ray showers while sitting in this bath?

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

An explosion of natural color known as "the river that ran away from paradise."

A public display of random paleontology.

Denmark’s never-ending bridge.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

This observatory within Europe's first dark sky park offers stunning views of the night sky.

Named for its similarity to the tip of a violin's bow, this striking formation was created by millions of years of erosion.

Some believe that the stone once used to coronate Scottish kings resides inside this bar.

A sea cave with a waterfall and Viking past

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.