London: Free Museums & Galleries

The architect's house left exactly as it was in 1837 — a three-dimensional puzzle of corridors, mirrors, and 45,000 objects including two Hogarths and an Egyptian sarcophagus. Free, no booking needed. Capacity 90 people. Wed–Sun 10:00–17:00

The permanent collection across five floors — Rothko, Picasso, Bourgeois, Warhol, Beuys — is free, and the Turbine Hall has hosted some of the most ambitious art installations of the past 25 years. Open Sun–Thu 10:00–18:00, Fri–Sat to 22:00

Reopened in 2023 after a major refurbishment — the permanent collection of portraits from Henry VIII to Vivienne Westwood is free, and the rooftop restaurant has one of the best views of Trafalgar Square. Open daily 10:30–18:00, Fri–Sat to 21:00

Free entry to one of the finest natural history collections in the world — the blue whale skeleton in the Hintze Hall alone is worth the trip, and the Darwin Centre behind it is extraordinary. Open daily 10:00–18:00. Book a timed slot to skip queues

The East End's major contemporary art gallery — most exhibitions free, 125th anniversary programme throughout 2026. Free Thursday late nights until 21:00. One minute from Aldgate East tube. Open Tue–Sun. Some ticketed shows but the free programme is strong

The world's largest maritime museum — free entry, and the collection spans from Tudor warships to moon-landing splashdowns. Combine with the free Queen's House next door (Inigo Jones, 1635) and the Royal Observatory on the hill above. Open daily 10:00–17:00