The Parthenon is a temple on the Athenian Acropolis, dedicated to the maiden goddess Athena, whom the people of Athens considered their patron deity. This is just an amazing site to visit and to be able to capture the essence of the beauty, history, and the magical optical illusion is a once in a lifetime adventure.
There isn't a single straight line on the structure itself. Why? Because if there were, it'd look curved when viewed from a distance.