This ancient theater was once the home of fierce gladiatorial battles.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

A national collection of Communist-era musical posters.

This Transylvanian church has changed its denomination four times.

Religious structure known for its sculpted details.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This snug medieval lane is one of the narrowest streets in the world.

A medieval church built up to defend its village.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This bone-filled cave got its name after they found 140 bear skeletons inside.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

The cedar tree in Highgate Cemetery earned its title by accident.

The oldest working mechanical clock in the world.

This 11th century tower is said to be the oldest building in Oxford.

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

The final resting place of the great navigator, or maybe his brother.

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.

Famously misunderstood wonder of the ancient world

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

The television series' iconic giant foot was borrowed from this classical painting.