Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

This coffee shop lies hidden beneath a historic church.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

Blaxhall's burgeoning boulder can't help putting on a few extra stones.

These iconic characters honor Carl Giles, who brought humor to newspaper readers for almost 50 years.

The historic villages and towns of Suffolk are filled with wonky wooden beam houses painted an unusual shade of pink. Unknown to many though, this sweet shade has a bloody history.

A remarkable example of small town medieval architecture that showcases the wealth and importance of a 16th-century wool town.

This 15th-century fortification was built to defend bunnies.

A bronze sculpture of last Sikh maharaja of the Punjab, outside the English estate where he once lived.

This meticulously reconstructed early medieval settlement offers an immersive experience of daily life in an Anglo-Saxon community.

This memorial museum chronicles the apocalyptic destruction of the First World War.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

An abandoned piece of phallic art repurposed by locals into a makeshift fertility shrine.

This house certainly has a unique decor.

The first passenger cable car in the world.

Europe’s oldest natural human mummy.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

This Copper beech tree nestled on a nature reserve is host to a bevy of autographs from Irish literary icons.

The oldest licensed distillery in Ireland.

The symbolic center of Ireland, this summit also offers panoramic views of the countryside.

Wander among the abandoned ruins of this once-powerful medieval town.

This Scottish burial tomb once held hundreds of ancient eagle bones.

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