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

This unusual geoglyph was built as a warning so low-flying aircraft wouldn't scare the zoo animals.

A curious urban windmill once owned by a renowned British mathematical physicist.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

The oldest inn in England served brew to the crusaders.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

The final resting place of hundreds of Polish airmen who died fighting the Nazis in Britain.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.