Sea arches are a spectacular phenomena. They are usually composed of a soft rock that eroded over millions of years as waves hit land, carving caves and tunnels in the rock.
Kleftiko Beach
http://farm6.static.flickr.com/5108/...b11_z.jpg?zz=1
La Portada
http://resources.touropia.com/gfx/d/...la_portada.jpg
Pigeon Rocks
http://farm8.static.flickr.com/7458/...faf_z.jpg?zz=1
Great Pollet Arch
http://farm4.static.flickr.com/3787/...ef0_z.jpg?zz=1
Batu Bolong
http://farm7.static.flickr.com/6048/...d18_z.jpg?zz=1
Arch Rock
http://farm5.static.flickr.com/4104/...c83_z.jpg?zz=1
Hopewell Rocks
http://resources.touropia.com/gfx/d/...well_rocks.jpg
Honopu Arch
http://farm2.static.flickr.com/1293/...b2b_z.jpg?zz=1
Azure Window
http://farm6.static.flickr.com/5505/...524_z.jpg?zz=1
El Arco
http://resources.touropia.com/gfx/d/...es/el_arco.jpg
Playa de las Catedrales
http://farm9.static.flickr.com/8542/...840_z.jpg?zz=1
Wharariki Beach
http://resources.touropia.com/gfx/d/...riki_beach.jpg
Legzira Beach
http://resources.touropia.com/gfx/d/...zira_beach.jpg
Durdle Door
http://resources.touropia.com/gfx/d/...urdle_door.jpg