A massive rainbow-ringed hot spring whose vivid microbial mats make it one of the strangest natural sights in the park.
Filed under roadside oddities: giant objects, odd monuments and things built for no clear reason.
A massive rainbow-ringed hot spring whose vivid microbial mats make it one of the strangest natural sights in the park.
Filed under roadside oddities: giant objects, odd monuments and things built for no clear reason.