Two high-tech light-and-sound shows depict the regions’s history and culture in vivid projections that wrap around the architectural details of two of Mérida’s most treasured façades. The shows are highly artistic and always free to the public. (More about “video mapping” here.)
Then, turn left, and left again at Calle 60, and gather at the Cathedral.
“Piedras Sagradas (Sacred Stones),” San Idelfonso Cathedral, facing the east side of the Plaza Grande.