The Gorky House Museum — the Ryabushinsky Mansion

The best surviving interior of Moscow Art Nouveau: Shekhtel built the mansion in 1900–1903 and thought it out down to the door handle, and the wave staircase with its jellyfish lamp is the thing for which one comes here instead of any museum of decorative art. What Horta did at the Hôtel Tassel and Mackintosh at the Glasgow School of Art — one hand over the whole building, from plan to fittings —…