London Vintage Bus Tour with Afternoon Tea. Sightsee in London by vintage double-decker bus and modern catamaran on this half-day tour. As you travel around the city, watch out for top London landmarks like Big Ben and the Houses of Parliament. Then, hop out for photos at the Tower of London before a cruise along the Thames River. Champagne, tea and scones complete the experience. Book and Save 10%: London Vintage Bus Tour with Afternoon Tea.