One of the few surviving street funiculars in the world.

This Scottish manor house is a lush relic from the life of a literary great.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

Spend a day hanging out with domesticated Russian foxes.

The longest hedge maze in the world.

This giant disembodied horse head seems to balance impossibly on its nose.

A fantastic castle rumored to be the birthplace of King Arthur.

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

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

The huge golden reliquary of a testicle-smashing saint.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

Guests can stay at a hotel in the former French abbey where lie the tombs of King Henry II and King Richard the Lionheart.

His "Lionheart" is entombed separately from the rest of his body.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

An ancient monastery, a locked room, and a mysterious book heist.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

Most-visited and most-photographed slot canyon in the American Southwest.