Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.

A haunted slate mine turned concert hall and a hidden fairy garden.

The world's largest collection of garden gnomes lives among the trees and wildflowers on this woodland reserve.

The world's largest collection of witchcraft regalia.

A unique waterfall that some believe attracts the fairfolk.

This antique prison is a tourist attraction with a sordid past.

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

The largest greenhouse in the world is home to over one million types of plants.

400-year-old garden, restored to beauty.

This ruined 15th-century hermitage is steeped in myth and mystery.

On this headland lies a 19th-century lighthouse and historic gun battery.

This modest site memorializes a World War II mission described without hyperbole as “the greatest raid of all.”

The twists and turns of this serpentine maze are over 170 years old.

A sturdy relic of Britain's once crucial gunpowder industry is now a haunting Cornish ruin.

A 14th century castle built on the seat of a mighty giant.

A small stone memorial marks the spot where a Bristol Beaufort aircraft crashed in 1941.

A quirky mausoleum celebrated once every five years with young dancing girls, widows, a tax man, and more.

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

Legend says this ancient pagan site can cure all ailments.

These picturesque ruins crumble beautifully into the ocean.

A museum based on the collection of a Victorian family. Housed in a remaining Victorian villa.

A church made of steel.

The largest Spanish artifact built in the Philippines and one of the oldest underground reservoirs in the world.

Underground hospital complex constructed by slave laborers during the German occupation of the Channel Islands.