A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

This colossal war machine is now a living museum dedicated to underwater warfare.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

The labyrinthine storm tunnels beneath the city of Melbourne are ruled by a band of urban explorers.

The geoglyph once sported a glass bottle eye.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

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

This skewed English house has looked like it's going to fall over for centuries.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

During the heyday of fishing in Hastings, there were more than 100 of these storage facilities.

Regency-era excess on the English Coast.

Climb to the top of this windmill for a scenic panorama and up-close look at wind energy production.

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

One of the shortest streets in York has an especially odd name.

A century-old tradition has culminated in a small but singular collection of feline effigies.

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

An abandoned tower once used to study the cosmos hides within a thicket of greenery.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

The most loyal of little dogs, or a Victorian era publicity stunt?

A sweet symbol marks the place where torturous executions were once carried out.

360° views of the city plus five floors of optical illusions and hands-on science.

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

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.