One of the oldest medical collections in Europe focusing on rare surgical instruments.

A Museum of Psychiatry in a still-operating mental institution.

A rare example of World War I trenches from the British front.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

A bronze statue of the fictional character nicknamed "Mrs. Hat" from a beloved Belgian comedy.

Medical history with an amazing, if frighting, collection of wax diseases on display.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

The world's first jet-powered aircraft were assembled by the Germans in this secret factory in the forest during WWII.

This monument built by Japanese American immigrants spent decades underground.

A self-built mosaic house and sculpture park.

Folklore and history carved into Brittany's coast.

Old vessels have been transformed into artistic canvases in this unusual cemetery.

A remote hilltop covered in giant monoliths haunts the Brittany countryside.

An alchemist's "magic door" stands in the middle of a Roman park.

Recently restored menagerie of Victorian-era beasts.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

A unique zoological park home to over 30 species of wild cats, both big and small.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.