Hipparchus by Jared Kornfeld
Edmond Halley by Kelly Tran
Nicolaus Copernicus by Kevin Kearney
Egyptian Pyramids by David Cun
The Earliest Observatory in the Americas by Gemma Tierney
Bighorn medicine wheel by Mike DeLeo
Newgrange by Stephen Labarge
The Astronomical Clock in Prague by Cassandra Santiago
Chichen-Itza, Mexico by David Goldberg
Carrowkeel Cemetary by Lexus Ocampo