An Austrian house of bones filled with hundreds of intricately painted skulls.

The world's oldest known salt mine.

This 19th century cyclorama acts like an analogue time machine to a different era.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Physicist’s epitaph provides final confirmation to a career of turmoil.

An exquisite Baroque church in Vienna's old town.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

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

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

The solemn exterior conceals an opulent interior of this 17th century church.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

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

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

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

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

Op-art architecture designed for happiness.

Baroque celebration of the end of the Great Plague of Vienna.

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

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

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

The beautiful baroque library of the Hapsburg empire.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.