Heidelberg, Germany

Heidelberg is a town on the Neckar River in southwestern Germany. It’s known for venerable Heidelberg University, founded in the 14th century. Gothic Heiliggeistkirche church towers over the cafe-lined Marktplatz, a town square in the Altstadt (Old Town). The red-sandstone ruins of Heidelberg Castle, a noted example of Renaissance architecture, stand on Königstuhl hill.