The Iguazu Falls are waterfalls of the Iguazu River, which is partially in Brazil and partially in Argentina, South America. (national geographic Photo of the Day)
The Iguazu Falls are waterfalls of the Iguazu River, which is partially in Brazil and partially in Argentina, South America. (national geographic Photo of the Day)
The Ear of Dionysius, the largest of the many caves in Siracusa, on the island of Sicily. The shape of the cave creates astonishing acoustical effects wherein a whisper at one end of the cave can be heard clearly at the other. (image by Stefania Guidice)
Demanovska Cave “Freedom Cave” the longest cave system in the country of Slovakia, central Europe. Slovakia was formed in 1993 following the peaceful dissolution of Czechoslovakia. (admian on pixdaus.com)
Northern lights in the Yukon Territory, Canada. Canada is made up of ten provinces and the northerly three territories: Northwest Territories, Nunavut, and the smallest, the Yukon. (David Cartier flickr)
Pamir Mountains, Afghanistan; known since Victorian times as ”The Roof of the World” (wikimedia)
Iceberg in Antarctica (hikatcho_it on flickr)
Terraced rice fields in Sapa, Vietnam (Robert Kroenert flickr)