Create an image of an exhibition at an educational museum. Visualize the scene with a straight row of three pyramid structures. The first pyramid is triangular with a base at the bottom, while the second one is identical to the first. The third pyramid, standing right next to the others, is distinctly different - it's a pentagonal pyramid perfectly symmetrical. Each of these structures is evenly lit with focused lights. The room they are in has a high ceiling, tall white walls and a polished wooden floor. The whole scene is void of any text.

There is a row of two triangular, pyramids, and one pentagonal pyramid, and a display at a museum. How many lateral faces are there altogether?

To calculate the total number of lateral faces, we need to find the number of lateral faces for each type of pyramid and then add them up.

Two triangular pyramids each have 3 lateral faces, so the total number of lateral faces for triangular pyramids is 2 * 3 = <<2*3=6>>6.

One pentagonal pyramid has 5 lateral faces.

Therefore, the total number of lateral faces is 6 + 5 = <<6+5=11>>11. Answer: \boxed{11}.