As an amateur "Industrial Archaeologist," I love the LA River as a bizarre curiosity. Many groups have formed in attempt to beautify or revert the "river" to a previous state. But I like it the way it is; a weird, massive flood control channel.I prefer this version of engineering:
This unusual structure is testimony to the local geology, seasonal rains, and the vast urbanization of the LA area. It is mainly the urbanization in the 20's and 30's which severely modified the drainage of the Los Angeles basin and San Fernando Valley, creating the immediate need for the necessarily large, ominous flood control system that we see today.