An icy lake tucked among jaw-dropping alpine panoramas.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

A medieval military street hidden beneath a charming French fishing village.

The largest underground church in Europe.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

Once the scene of a young boy's home in revolt, this Norwegian island is now home to the world's first "ecological" prison.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

One thousand trees were planted in Norway to be used to print books a century from now.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

The former home of Dutch anthropologist Bert Flint now houses a collection of Berber art and artifacts.

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

A historic observatory precariously perched at the "Top of Europe."

Caves famous for the dragon-slaying saint who lived there.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.