There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

Once a palace for the Archbishop of York, these 15th-century ruins now serve as a haunt for history buffs.

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

Exquisite carvings of leaves, Green Men, and the occasional dragon adorn a medieval chapter house.

A 13th-century inn where the ill-fated King Charles I spent his last night of freedom.

A magnificent mansion hides a delightful collection of historic timepieces.

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

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

One of the oldest libraries in England, and one of the last of the great medieval chained collections.

Isaac Newton's former home, where the famous apple tree still stands.