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

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Quite simply the largest tree in the world (by volume).

Home to drunken tower-climbing goats... seriously.

A Memphis park where you can walk the whole Mississippi River in one go.

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

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

Hear the quietest sound from across the dome.

Eighty million natural history specimens call this gargantuan museum home.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

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

Famously misunderstood wonder of the ancient world

Fascinating town where normal life interfaces with the occult.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

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

6000-year-old site covered in more than 50 megaliths.

Seat of the Duke and Duchess of Devonshire for centuries.

Eyam took steps to quarantine themselves and keep the plague from spreading.