Located in the heart of Vienna, the Hotel Sans Souci Wien is a new boutique hotel designed by the world-renowned design firm Yoo Studio. The hotel has 63 rooms and suites, and its restaurant La Veranda offers seasonal and local cuisine. It also has a spa, fitness center, pool, and sauna. Rooms start at about $275 a night. (+43.1.522.25.20, www.sanssouci-wien.com)