Somerset House

This neo-classical, 18th-century building on the Thames houses the Embankment Galleries, cafés and restaurants, all surrounding a large courtyard. Wed-Fri 11am-8pm; Sat-Tue 10am-6pm. Admission free; charges for special exhibitions. 

To 26 Apr: Mushrooms: The art, design and future of fungi. Presenting works from over 40 artists, designers and musicians, the exhibition takes a look at the cultural legacy of mushrooms.

14-17 May: Photo London. A large-scale photography showcase with international galleries and photographers.