A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

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

400-year-old garden, restored to beauty.

A unique waterfall that some believe attracts the fairfolk.

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

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

A series of concentric circles represented a bold new experiment in socialist urban planning, and it notoriously difficult to get around.

This former medieval prison now unlocks Estonia’s rich photographic history.

Two well-hidden huts let animal lovers spend the night among the bears, wolves, and other predators of the forest.

Only a fragment of this 15th-century Dance of Death survives today.

The labyrinthine home of the National Archives of Estonia is an experimental blend of architecture, art, and history.

A forest park outside Tallinn full of architectural and artistic curiosities.

Spend your honeymoon where the Devil had his wedding.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

The gutted remains of this Estonian mansion are a monument to a tragic love.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

Mysterious craters may have been home to an ancient cult.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.