The Sir John Soane Museum Is Brilliantly Insane

13 Lincoln's Inn Fields. Free. Small. The most extraordinary house museum in the world. Soane was architect of the Bank of England, and between 1792 and 1837 he filled three townhouses with art, antiquities, and models with the compulsive brilliance of a man who could not stop acquiring.

The Picture Room — walls fold open on hinges to reveal three layers of paintings, including Hogarth's complete A Rake's Progress. The Monk's Parlour in the basement is his private joke — a Gothic chamber with a monk's face cast installed to frighten guests. The Egyptian sarcophagus of Seti I in the crypt — translucent alabaster, chisel marks from 3,000 years ago. When Soane acquired it in 1824 (the British Museum couldn't afford it), he threw a three-day party for 890 people.

The Model Room on the second floor, filled with models of unrealized projects — buildings never built, streets never laid. The room where ambition and reality parted ways. More moving than any finished building because it shows what an architect dreams when nobody's paying.

London has the British Museum and the Tate. Soane's Museum is the one that feels like stepping into someone's mind — brilliant, obsessive, and slightly mad.