This room of wonder is full of relics, from knights in armor to rare works of art.

A wunderkammer of curious objects and intriguing art nestled within a hub of ancient Roman sites.

Resting on a hill overlooking the coast, these medieval ruins look completely deserted save for their restored chapel.

This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

Napoleon's childhood home is now open for people to explore the beginnings of France's short general.

This remarkable checkered church on a Corsican hilltop is fabled to have been built by angels.

In the fictional world of Kcymaerxthaere, standing at this site just outside Vienna, Austria, the sky would have been found beneath your feet.

A glimpse into the festive and private lives of medieval Europe.

This outsider art house has gone from clinical creation to astounding artwork.

This cubist Vienna church building looks like some sort of alien stonehenge.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

The resting place for anonymous victims of the Danube's dark waters.

An ornate private entrance to the Vienna subway built specifically for the emperor.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

The house that took a plunge into the facade of a museum.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

Dine amidst exotic plants at this former royal greenhouse.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

Handsomely crafted representations of our round planet.

Museum devoted to the artificial language of Esperanto.

Legends surround an ancient tree trunk riddled with nails for good luck.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.