An Italian hillside ghost town.

Abandoned medieval hill town.

Geothermal waterfalls in Tuscany.

This 16th-century monastery has been turned into a surrealist architecture compound.

Renaissance villa and gardens complete with a tormented colossus.

Live-in sculpture begun by one family in 1979.

This small commune with an even smaller name appears to have an unlikely amount of dead ancestors.

This historic stone gate tower is now just a lonely relic in the middle of a swamp.

A resort destroyed by a mysterious bombing offers visitors only its remains and the riddle behind it's demise.

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Personal garden filled with mosaics made of recycled garbage.

To the famous surrealist artist, liberty required two torches held high.

Longest canal tunnel in the world, abandoned in the 1960s.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

Artist Danielle Jacqui decorates nearly every inch of her home inside and out with her work.

Fighting the British and making game shows for over 150 years.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

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

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

An architectural oddity of six stories, accessed by graceful ramps.

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.