This building features dozens of faces along its facade, although one is a bit chilling.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

The mummified relic of St. Catherine sits forever on a golden throne.

An extraordinary collection of 18th century anatomical waxworks.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

An old limestone mine transformed into a beautiful and unusual sculpture museum.

These waste baskets play a few risque messages to discourage littering.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

Ancient serpentine sacrifice holder that has stood the test of time.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A marvel of Byzantine engineering under the streets of Istanbul.

This historical font became infamous after a maid was allegedly tricked into urinating in it, leading to her tragic death sentence.

This sculptural representation of an Andersen fairy tale had to be pushed away for being too grim.

One of Scandinavia's largest mosaics pays tribute to Danish art and science luminaries.

An unconventional and naturalistic sculpture depicting the artist marking his territory on an exterior faculty wall.

A former smithy turned cultural hub with the capital's largest mural space.

These old World War II fortifications have been transformed into an unusual equine attraction.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

This hidden collection of everyday objects illustrates life within communist Poland.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

Local legend says a monk brought Christianity to Bornholm through his sermons in a cave inside this free-standing rock.

Once a granite mine, this beautiful lake is the perfect place to cliff jump and zipline in Denmark