07-12Wave crashing on Farolim de Felgueiras, a lighthouse in Porto, Portugal - Stephan Zirwes/Offset by Shutterstock)
07-10Milky Way over the Tagus River in Monfragüe National Park, Spain - Miguel Angel Muñoz Ruiz/Cavan Images)
07-05Serra da Malagueta mountains on Santiago Island, Cabo Verde - Samuel Borges Photography/Shutterstock)