A large natural stream of water emptying into an ocean, lake, or other body of water.
a large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill.
a cascade of water falling from a height, formed when a river or stream flows over a precipice or steep incline.
a dense forest rich in biodiversity, found typically in tropical areas with heavy rainfall.
a piece of land surrounded by water.
a mountain or hill, typically conical, having a crater through which lava, rock fragments, hot vapor, and gas erupt.