Oceania

Bataan Peninsula juts into Manila Bay from the southwestern coast of Luzon in the Philippine Islands.Peninsula, a tongue of land projecting from a… See more » Natural Arch and Natural Bridge, two terms that are generally used interchangeably, but are sometimes considered to have slightly different meanings.… See more » Sink, or Sinkhole, a funnel-shaped hollow in the earth's surface. Sinks are formed by the seepage of water in soluble rocks, such as limestone,… See more »