Iran: time for travelers to return?

By David Stanley, for CNNUpdated 26th June 2013
Sculpture in the ancient Persian city of Persepolis.
Sculpture in the ancient Persian city of Persepolis.
BEHROUZ MEHRI/AFP/Getty
Limestone tomb of ancient Persia's King Cyrus the Great, near the modern city of Shiraz.
Limestone tomb of ancient Persia's King Cyrus the Great, near the modern city of Shiraz.
ATTA KENARE/AFP/Getty