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

One of the earliest large-scale "hyper" roofs in the U.K. is now a derelict roadside attraction.

This English medieval castle is where King John died of dysentery.

The near loss of the stately fireplaces at this medieval castle spawned some of Britain's most crucial historic preservation laws.

This unique museum is housed in a rare example of an early 19th century prefabricated cottage.

This tiny shoe shop claims to be the smallest store of its kind in Britain.

This memorial pays homage to the Royal Air Force squadron that breached two important dams during World War II.

The charming collection illustrates life in Lincolnshire in the 18th through 20th centuries.

Modern commuters still pass through this 2,000-year-old Roman archway.

Inside this chapel, Victorian jailers took the separate system to new levels.

The oldest of the three remaining bridges in England with buildings on top of them.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

The world's first military tank was designed in this English city amid the stalemate of WWI trench warfare.

Where Agatha Christie mysteriously disappeared in 1926.