A copy of the brutal decapitation device that predated the French Guillotine by about 200 years.

Built in the 1300s, this magnificent building that hosted England's kings and queens transports you to the Middle Ages.

Though much of the castle was robbed of its stones, the underlying earthworks are among the best-preserved in England.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

These medieval monastery ruins are surprisingly overlooked by most tourists.

These bleak 800-year-old ruins were once the royal residence of choice for hunting in Sherwood Forest.

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

This early Norman castle was the first historical monument protected by an act of Parliament.

What was once England's second-richest abbey is now a haunting ruin.

Legend has it the famous Robin Hood would attend mass at this 12th-century Cistercian abbey in Sherwood Forrest.

All that remains of the medieval palace of the famous "Black Prince."

It's believed King John of England stayed at this 13th-century castle before riding off to sign the Magna Carta.

A winding medieval path was used by mourners to carry their dead to the nearest church.

This network of narrow, medieval passages has the most delightful name.

A set of medieval stained-glass windows tell the gruesome story of a Viking siege.

This amazing 15th-century mural remained hidden in plain sight for centuries.

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

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

A tiny chapel perched along a 14th-century bridge.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

This unique medieval court deals solely with the lead mining laws in two small areas of Derbyshire.

This lone tower casts an outstretched shadow over the site of a once-wealthy Knights Templar preceptory.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.