Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This hill is known for its connection to the occult in Slavic tradition.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

Europe's second largest ossuary wasn't discovered until 2001.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

One of the best collections of wax anatomical models in the world.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

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

Macabre museum devoted to historical Viennese murders.

This former insane asylum now holds a pathological anatomy museum.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

This oddly shaped building is a surprising Soviet-era crematorium.

A Hungarian pharmacy museum with a box full of mummy powder.

The largest fountain in Bratislava.

A delightful museum entirely dedicated to the tiny homes of dolls.

A national collection of Communist-era musical posters.

A 20th-century picture show in 3-D.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.