Coastal landforms can be either erosional or depositional. Sand and shingle beaches and spits are depositional. Cliffs, headlands and caves are erosional.

Mars' strange Medusae Fossae Formation is likely billons of years older than previously thought, suggesting that it may have a volcanic origin.

Erosional landforms include headlands, bays, caves, arches, stacks, stumps and wave-cut platforms. There are also depositional landforms such as beaches, spits and bars.

A narrow sand tidal island called Spurn in Yorkshire was featured in BBC’s Seven Natural Wonders in 2005 - here is some background on how it was formed.

Chinese tourists damage ancient landform where dinosaurs roamed, post video to brag Two turn themselves in after posting video showing them trampling coloured sands of the protected land formation ...