They Thought It Was The Mouth Of HELL. When They Looked Closely, They Couldn’t Believe Their Eyes!

Covão do Conchos is a surreal looking waterfall located near Guarda in Portugal. It is part of the Conchos Lake in Serra da Estrela. This small dam was built in 1955 and consists of a 4,984 ft tunnel. In English, Covão do Conchos means Hell’s Well, which is a rather fitting name for this spectacular waterfall.