This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

The site of the first battle of World War II.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

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

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

One part local history, 99 parts gruesome haunted house.

Famously misunderstood wonder of the ancient world

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

Europe's largest prehistoric mound – burial site of a legendary king?

It's possible to walk inside one of the largest Neolithic tombs in Britain.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Rare collection of medieval books under lock and key.

The largest known medieval map of the world.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

A naturally mummified 2,000-year-old man.

Lavish royal estate punctuated with heated greenhouses.

The tower was originally used as a chimney for the waste incinerator of St Johns Precinct and Market.

The Liverpool street made famous by the Beatles is real.

A rotting air force base is now home to rare birds and scarce plants.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

The first peace pagoda to be constructed in the Western world sits next to a small English lake.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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