From April to October, Vorarlberg Lines offers a number of cruises on Lake Constance, including a scenic 'three-country' cruise (daily 14:30); cruises to Friedrichshafen, home of the Zepplinmuseum (daily, various times); the "Flower Island" of Mainau (daily, various times); the city of Konstanz, home of the Sea Life Center/Aquarium (daily, various times); and a number of sunset and dinner cruises. You can also consider a short trip to the German port Lindau, which on a sunny day offers splendid views of the Swiss landscape. The town is beautiful and one can also consider shopping in the main market, a 5 minute walk from the port/train station. Cruise available quite frequently, €5 adult. The return trip can be made via cruise (another €5) or by catching a regional train (S-Bahn) from Lindau station to Bregenz station for as low as €2.4, if purchased at an ÖBB automat.
Altes Rathaus
Built in 1662.
Unterstadt Rathaus
Built in 1686 and remodelled in 1898.
KUB
Frequently changing contemporary art exhibitions. The building was designed by Peter Zumthor.
Martin's Tower
Bregenz's most famous landmark, the tower features the largest onion cupola in Europe. The foundations of the building date to the late Roman period. St. Martin's Chapel (on the ground floor) can be visited for free and has medieval frescoes. Not wheelchair accessible.
formerly the Vorarlberger Landesmuseum
Modernerised and enlarged, the museum opened in June 2013, with exhibits documenting the history of Vorarlberg as well as other current themes.
Territorialabtei Wettingen-Mehrerau
A bit outside of the city, but can easily be reached by walking or cycling along the lake. The monastery has a museum with exhibits illustrating monastic life.