See the best of londons national gallery one of the worlds most visited art museums on this private 35 hour tour with a specialist art historian guide tick off the gallerys most impressive paintings and learn more about the artists behind them get up close to works by the italian greats including da vinci and michelangelo and flemish masterpieces from the likes of rubens and campin youll also take in timeless paintings by french impressionists and post impressionists such as monet