Love the small bus/van size. Love that you stay with the same vehicle throughout the tour and don’t have to wait for another bus like the hop on/off other tours offer. We also loved getting time to explore at each stop. The only reason the rating is not 5 stars is our tour guide. While he was extremely knowledgeable, his commentary at times was political and not appropriate. We have taken many tours in various cities, including DC and have never had a tour guide provide his/her unsolicited political opinions and obvious leanings. He talked quite a bit about himself vs engaging with the customers. I recommend this tour company but the experience is directly enhanced or detracted by the tour guide. That said, he tried hard to get as many sights in as possible, including the Air Force Memorial which was awesome.