Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

A three-shelf library serves as a memorial in the Jewish cemetery of Krems.

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

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

Apartment complexes built into huge repurposed natural gas tanks.

Museum devoted to the artificial language of Esperanto.

American soldiers discovered Europe's best one-liner at the end of World War II.

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

Ride a dragon train into a world of dwarves.

A silly medieval mural preserved on the side of a Viennese house.

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

This museum promotes informed contraception by documenting its often secret past.

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

This former insane asylum now holds a pathological anatomy museum.

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

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

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

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Macabre museum devoted to historical Viennese murders.

The beautiful baroque library of the Hapsburg empire.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

A scattered trail of street art adds a pop of color to the city's stark structures.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.