Loved the small group experience. There were four of us touring with our guide. We were two sets of two. The guide was the very best. He was knowledgeable and answered questions freely. He also was open to any information that we had to share and engaged eagerly in conversation. It turned into a two-way learning situation, with most of the learning on our part, of course. Ample time was allowed at each stop. We were not felt we had to hurry. The guide was known by the admitting people at each venue that required a fee and had passes ready so there was no waiting to gain entrance. Humor and trivia were interjected into the discourse, making te tour even more enjoyable. I highly recommend this tour.