Burgenland lowest point (which is also the lowest point of Austria) at , is in the municipal area of Apetlon. Burgenland borders the Austrian state of Styria to the southwest, and the state of Lower Austria to the northwest. To the east it borders Hungary (Vas County and Győr-Moson-Sopron County). In the extreme north and south there are short borders with Slovakia (Bratislava Region) and Slovenia (Mura Statistical Region) respectively. Burgenland and Hungary share the Neusiedler See, a lake known for its reeds and shallowness, as well as its mild climate throughout the year. The Neusiedler See is Austria's largest lake,
Vorarlberg energy expenditure. Well-known award-winning architectural projects include the Kunsthaus Bregenz, Vorarlberg museum in Bregenz, Michelehof Hard and Hotel Krone Hittisau. A modern example for Vorarlberg architecture is located in Dornbirn. From 2010 onwards, Vorarlberg had been investing in research on renewable energy sources and energy-efficient houses in order to achieve self-set climate targets. In 2012, the first modular wooden hybrid complex of eight floors was built: The LifeCycle-Tower ONE (LCT ONE). It is 27 meters high and made of wood and concrete. In this architectural design, load-bearing elements are not covered. The benefits of this innovative project are environmental and