To be honest, it was my worst trip in Peru, but it was not fault of the organizers. In fact they did their best for me to have enough time on Machu Picchu. Unfortunately, buses to the mountain are overloaded after 9am, and from the mountain in the afternoon. I recommend to spend night in Aguas Calientes and go to Machu Picchu early in the morning.

Lenin from Viator provided lots of miscommunications about Machu Picchu. This included timing of entrance (2 hours later than expected), drop off time (6 hours later than expected), the name of our tour person (no signage or pick up was done, when it was promised), drop off location of the hotel (was dropped off at the City Plaza instead at 1:30 am), and pick-up for the hotel to the airport (car service never arrived, and we took an uber instead). We confirmed all timing with Lenin the day before and even re-confirm the pick-up for the airport the day before. When we complained to Viator, they brushed it off and provided a $20 reimbursement for the taxis and ubers needed in lieu of their pick up, but for seem to have little disregard to the delays and miscommunications of Lenin. We also had a hard time getting a hold of Lenin. He told us to reach out via cell phone/text, and out of 8+ calls, he only called back once. This would have been rated 1 (terrible), if the other two days (City Tour (Sacsayhuaman) and the Sacred Valley) did not go as communicated. Book at your own risk. Would not recommend.

take the vistadome train-well worth the extra $, bus ride from cusco to train was not good-was in the 30s(F) and driver did not turn on heat-windows covered in condensation so in addition to freezing couldn't see out of windows. the tour was nice-took 3 hrs guide made explanation longer than necessary (very repetitive) but he was very nice. overall a good tour