The red letters in the literary pavement leading to the library form a mysterious code.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

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

The world's largest collection of witchcraft regalia.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

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

Ever-growing collection of devils in art.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The Tudor-style cottage in the middle of the square is not quite what it seems.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Catacombs turned marketplace.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

The oldest inn in England served brew to the crusaders.

A fountain standing as a testament to a doomed alliance.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.