Mushroom Rock (Il Fungo), Tyrrhenian Sea (ITALY)

 

Georges Island, Halifax Harbour, Atlantic Ocean (CANADA)

 

Krakatau Island, Indian Ocean (INDONESIA)

 

Hallig Suderoog Island, North Sea (GERMANY)

 

Gulangyu Island, South China Sea (CHINA)

 

Nusa Penida Island, Indian Ocean (INDONESIA)