Costa Rica has a few secrets and one of them is the Rio Celeste located in the northwestern part of the country. Rio Celeste is known for its magnificent light blue color water. The river is surrounded by stunning rainforest and the entire area is located in Tenorio Volcano National Park. The Rio Celeste is home to a striking waterfall with its frothy water cascading into the picturesque blue waters below. Legend has it, when the Gods painted the skies, they dipped their paint brushes into the river which turned the river its light blue color.