Darmstadt
Darmstadt is a city near Frankfurt in southwest Germany. It’s known for the Mathildenhöhe district's art nouveau buildings, like the iconic Wedding Tower. Museum Künstlerkolonie features art nouveau glass, textiles and jewelry. Hessisches Landesmuseum displays art by Joseph Beuys. Northeast, the Messel Pit has Eocene-era fossils. To the south is ruined Frankenstein Castle, which may have inspired the famed book. ― Google