Unconventional site where the tracks of Zurich tramcars intersect.

The amazing wonder cabinets of a very rich Austrian archbishop.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Macabre astrological automaton clock dating to the late 1400s.

Apartment complexes built into huge repurposed natural gas tanks.

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

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

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.

The Habsburgs' royal collections of art and wonders.

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

Museum dedicated to the terror regimes of Hungary.

Budapest's Communist-era statues, banished to the suburbs.

Double spiral staircases are not unheard of, but they are very rare.

Where the lovelorn find a home for their sentimental keepsakes.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

The highest tropical mountain range in the world is in Central Peru, home to a vast array of exotic and quirky plants and animals.

The depictions of slaughter are surprisingly detailed at this mysterious ancient site.