The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

The ancient tomb acts as a calendar that keeps perfect time.

A complicated contraption for telling time by the moon.

Famously misunderstood wonder of the ancient world

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

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

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

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Cat art as far as the eye can see.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The beloved fantasy novelist is buried near a church containing a whimsical etched glass window full of Narnia favorites.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

One of Europe's oldest libraries.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

This secret garden has bloomed into London's most unique hub of urban creativity.

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

London's old-school healing garden.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

The largest of London's subterranean rivers and once a mad, bad center of London life.