Top Man-Made Landmarks From Around the Globe

A comprehensive list of man-made landmarks and sights from around the world. Locations from every continent and over 150 countries and territories are represented. The world's major man-made landmarks as well as many lesser known but also significant destinations are included. The list presents a
challenge to anyone who wants to see the best the world has to offer. There are obviously other places worthy of being on the list but a limit must be set
and I decided 501 landmarks would be the cut-off.
I have had the pleasure of visiting all but 40 of these destinations and can attest that each is special in its own way and all are worth a visit.
How many have you seen?