This Athena is in Nashville, Tennessee's Parthenon, which only costs $5 for adults and $2.50 for children. If you are 62 or over, it only costs $2.50. Children under 4 are admitted free. The official website for the Parthenon is here, then here is where you can tour the Parthenon online, and here is a link to the Photo Gallery.
Nashville is such a fun place to visit. I hope to be able to go back sometime next month for at least a day.