Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

One of Oxford's greatest treasures likely belonged to England's legendary King Alfred the Great.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The first archaeological site discovered by aerial photography.

A unique tribute to the millions of animals who served and died for the British military.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

This one has sailed five times as far as Sir Francis Drake's famous ship.

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.

Hear the quietest sound from across the dome.

The most northern place on the mainland of Great Britain.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

A sea cave with a waterfall and Viking past

A six-ton wedding present for the King of the Scots.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

This rare and ancient Christian relic is one of Ireland’s oldest freestanding stone crosses.

This Neolithic passage tomb forms part of a World Heritage Site.

The ruins of a medieval monastery named after a type of tree.

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The castle still holds traces of the abandoned Roman fort it was built atop.