Ulm is a city in southwestern Germany, located in the state of Baden-Württemberg. It is best known for its main landmark — the Ulm Minster, the tallest church in the world, with a tower reaching 161. 5 meters. In 1879, Albert Einstein was born here. During the Middle Ages, Ulm was an important trading center and a member of the Swabian League. The city lies on the Danube River, which separates it from the Bavarian town of Neu-Ulm. One of its unique attractions is the world’s most crooked hotel —