Architects of Air: Arcazaar 3-27 August. An inflatable 'cathedral of air' at Festival Square, Lothian Rd, Edinburgh. Details www. architectsof-air. com Architecture on the Fringe 4 August-1 September. An exhibition curated by Gross.Max. at the RFACS, 146 Canongate, Edinburgh. Details 0131 556 6699.
Satoshi Watanabe: Hidden Landscapes Until 25 August. An exhibition at Glasgow School of Art, 167 Renfrew St, Glasgow. Details 0141 353 4500.
Why Didn't They Build? Until 31 August. An exhibition at the RIAS, 15 Rutland Sq, Edinburgh. Details 0131 229 7545.
Whistler in Venice Until 1 September.
An exhibition at the Hunterian Art Gallery, 82 Hillhead St, Glasgow.
Details 0141 330 5431.
Trauma Until 2 September. An international mixed-media exhibition at Dundee Contemporary Arts. Details 01382 606220.
Hill House Project Until 31 October.
An installation by Keiko Mukaide in and around Mackintosh's Hill House, Helensburgh. Details 01273 674692.