The attic of a four-century-old canal house hides a clandestine church.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

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

One of England's most famous churches hides a pair of little known architectural treasures.

Giant naked man on a hillside.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

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

This astronomical clock is the second oldest in England.

The oldest residential street in Europe also features an optical illusion.

An unusual round church in London with a Templar past.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

This 11th century tower is said to be the oldest building in Oxford.

Inside this church is an obscure piece of art carved by the famous Alice Liddell.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

A mysterious demonic figure peers down from its perch within the gorgeous Chester Cathedral.

An English cenotaph honoring an American feminist icon.

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

English Protestants once criticized this enormous private chapel for being too ornate.

The sanctuary seems to either float atop the water or sink into the dirt, depending on the water level.

This church is considered the largest and most complete Saxon church in England.

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

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

This medieval manor house was equipped with secret compartments for hiding priests.