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

A historic house devoted to the teachings of a 1700's prophetess and her mysterious box of revelations.

In the U.K., a historic workhouse shines a light on the early, harsh treatment of the poor.

The first privately owned air raid shelter in Britain, built after a horrifying night of Zeppelin bombings.

A magnificent mansion hides a delightful collection of historic timepieces.

This tiny business claims to be "the smallest pub on the planet."

The first German gnome who popularized the garden decoration.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

A quartet of rusting satellite goliaths are all that remain of a communication network that protected Britain from German and Russian air strikes.

Long before wi-fi, this public seat provided the wonder of being online while outdoors.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

This little-known hero has been protecting "The Fens" for close to 400 years, and now from its most powerful challenger yet: climate change.