www.youtube.com
www.ancient.eu
www.thoughtco.com
news.nationalgeographic.com
amipsyche.com
www.wonders-of-the-world.net
The Seven Wonders of the World or the Seven Wonders of the Ancient World is a list of remarkable constructions of classical antiquity given by various authors in guidebooks or poems popular among ancient Hellenic tourists.
en.wikipedia.orgVarious lists of the Wonders of the World have been compiled from antiquity to the present day, to catalogue the world's most spectacular natural wonders and manmade structures.
en.wikipedia.org