Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A sculpture serving as an homage to Pope John Paul II.

Three hundred years of preserved Spanish colonial history in San Antonio.

Northern Ireland's Brobdingnagian stepping stones.

A open air theatre built on a cliff by an eccentric British woman.

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

Fascinating town where normal life interfaces with the occult.

Norway's oldest cathedral still in use.

The largest known medieval map of the world.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

Famously misunderstood wonder of the ancient world

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

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The UK's oldest theme park slowly slips away.

WWII artifacts, including the building itself.

Catacombs turned marketplace.

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

Hear the quietest sound from across the dome.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

100 year tradition of fist fights, marked by marble footsteps.

The prototype for all Nazi concentration camps.

Twisted buildings adorn the banks of the Rhine river.