Location. Set in a 130-year-old water tower, the Hotel Im Wasserturm is a listed building in Cologne, Germany. The hotel is 200 metres from Poststrasse underground station and one kilometre from the city centre. The spherical hotel is within two kilometres of the main station and the soaring spires of Cologne Cathedral. Hotel Features. Exposed brick, an elevated bridge and connecting walkways define the lobby, which reflects the unique, late 19th-century architecture of the Hotel Im Wasserturm....