US NASA - Visible Earth: Tonga - Collection of NASA satellite and sensor images and animations. - http://visibleearth.nasa.gov/view_set.php?categoryID=2242
National Geographic - Tonga Map - Zoomable map along with photos, videos, flags and basic facts about the country. - http://plasma.nationalgeographic.com/places/maps/map_country_tonga.html
Tonga Pictures and Travel Guide - Tonga travel and holiday information with pictures of people, adventure, culture, resorts and islands. - http://www.tonga.islands-pictures.com
Tonga Photo Gallery - Photos from the Kingdom of Tonga. - http://www.fikco.com/kayaktonga/gallery.htm