An abandoned factory along the Mississippi coated by a giant mural.

Exploring the past, present, and future of blues music.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

A remnant of the Franco-Prussian War, lodged in the city's walls.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.

The most impressive of Basel's three remaining city gates.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

A set of 13th and 14th century standardized bread measures.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

Located in a heritage building, this Mickey D's is missing its Golden Arches.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

Local legend of a lurking canal crocodile takes on a life of its own with this sculpture.