This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This giant wooden treehouse within a sprawling garden has its own eatery.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

This building was once a town hall, a fire station, a prison, a dairy market, and the target for two marksmen.

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

One of the town's most famous residents, holding one of his most famous creations.

Take afternoon tea in a 17th-century almshouse.

A poignant memorial to the 106 coal miners killed in three major accidents in Derbyshire.

Cemetery established by the Victorians as a solution to the overflowing graveyards.

Once a training ground for Olympic athletes, this artificial ski slope has fallen into ruin after a fire in 2012.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

The sign at the garden gate reads: "These Plants Can Kill."

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The control tower at the historic weapons range is now available as a highly unusual vacation rental.

This unique creation was used to house and wash sheep prior to shearing.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The patches of trees pay tribute to Queen Elizabeth II.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

This commercial and retail center was crafted from walled military barracks.

In the 19th century, this pit housed a fully grown black bear for the entertainment of visitors. Today there is a sculpture in tribute to the poor creature.