The Palais Hansen, a Kempinski hotel, opened in Vienna this month. Originally designed in 1873 by Theophil Edvard von Hansen as a hotel complex and later used as a municipal building, the property blends classic Renaissance Revival architecture and detailing with contemporary design, and modern amenities. The hotel has 152 rooms and suites, as well as two restaurants, two bars, a cigar lounge, and the Kempinski The Spa. Rates start at about $340 a night. (+43.1.236.1000, www.kempinski.com/wien)