The replica in Nashville, TN has concrete in its construction. The original, I believe, is made of marble. (but I'm less certain. I've never seen the real one, sadly.)

[1]: https://en.wikipedia.org/wiki/Parthenon_%28Nashville%29

[2]: https://en.wikipedia.org/wiki/Parthenon#Present_building

[3]: https://en.wikipedia.org/wiki/Mount_Pentelicus