Europe's largest prehistoric mound – burial site of a legendary king?

The longest hedge maze in the world.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Famously misunderstood wonder of the ancient world

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

An art world insider finds himself battling for his artistic home.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

Series of underground houses inhabited continuously for centuries.

This ancient theater was once the home of fierce gladiatorial battles.

Walk through living pictures and music in the Cathedral of Images.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

Celebrate the end of the Great French Wine Blight with a festival of kissing.

This miniature take on the Kremlin is one Dutch man's retirement project.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

The bullet-banged DIY suit of armour belonging to Australia’s most famous outlaw.

The word 'wunderkammer' translates as 'wonder-chamber'. This Wunderkammer is both a museum and a retail store.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A clear example of the process of erosion in action.

Arcade chock-full of old timey, whimsical, hand-cranked automata and peepshows.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A battle between nature and architecture in the Cambodian jungle.