Excursion in London From a taxi window, you can just catch a glimpse of London. There are many other ways to take a closer look at its sights: you can walk around the town, it’s possible to take a two-hour trip on a tour bus, circulating over London. You can observe the town from the top of the double-decker bus. Besides, you can take a water trip along the Thames or the Great Canal in Regent’s Park.