This folly built to commemorate an aristocratic victory over Catholic rebellion plays tricks on the eye.

This tribute to a beloved cricket umpire is a magnet for risqué pranksters.

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

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

This memorial is dedicated to the hundreds of soldiers from Featherstone who died fighting World War I.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

Artists have long been drawn to these atmospheric 12th-century ruins.

The UK's largest private house was the subject of a long-lasting political dispute.

These medieval monastery ruins are surprisingly overlooked by most tourists.

A stretch of land where the sour-sweet vegetable is cloaked in darkness and grows so fast you can hear it crack, squeak, and pop.

This stained-glass window in an English church bears the coat of arms of George Washington's family.

Mysterious stone faces line a hidden path great for seeing wildflowers, bird watching, and rock climbing.

Seat of the Duke and Duchess of Devonshire for centuries.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

The photographs of "fairies" that fooled much of the world (including the creator of Sherlock Homes) were taken at this English stream.

Once a farm where patients tilled the soil, this asylum lost its workforce when overmedicating became common practice.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

This beautiful ridge-top trail is dotted by tiny homes apparently built by a group of itinerant fairies.

Oldest building in California still in use.