Sedimentary rock is comprised of sediment, as the name suggests. Over time, tiny minerals, sand, rocks, and debris layer on ...

The Bufones de Pría are among the most striking natural phenomena along the Asturian coast. Located in Llanes, these dramatic jets of seawater and air shoot skyward under pressure through fissures in ...

The Paria Canyon-Vermilion Cliffs in northern Arizona, stretch over 280,000 acres, with cliffs formed by sandstone, limestone, siltstone, and shale that has eroded over millions of years.