Avoid the crowds and explore London by Uber Boats, the fastest on the River Thames. These boats depart every 20 minutes from piers like Battersea Power Station and Barking Riverside.

Visit the Old Royal Naval College in Greenwich, a historic estate that's part of a UNESCO World Heritage site. See the Painted Hall, known as the "UK's Sistine Chapel," and learn about the birthplace of Henry VIII and Elizabeth I.