I visited the city using these buses. There are different routes, the yellow one, the blue one, the red one, the brown one and the green one. They give you headphones with the ticket and there are some explanation about the city, the buildings, the...More
Don't believe hop-on hop-off offers senior citizen discounts. However, all the attractions you mentioned are covered by the hop-on hop-off bus routes. As far as walking distance goes, the stops are very convenient, but then... More