Have you heard of the Hoover Dam? It’s one of the biggest and most complicated dams ever built, and it generates tons of electricity for Nevada, Arizona, and California.

What amazes me about it is that it was built almost a hundred years ago! It’s crazy to me that people could build stuff that’s so complex back then.

A kid and his dad got to go on a special tour of the Hoover Dam to see parts of it that almost nobody gets to see, watch their video: