Palmyra, a Roman city and the best-known of Syria’s sites, is entirely open, allowing visitors to clamber all over the ruins.
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Palmyra and the citadel behind.
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One expert describes the frescoes from Dura Europos, a remote site, as "beyond amazing."
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Mar Musa mixed monastery; the remains were found by a traveling priest who renovated it and turned it into an active monastery and center for dialogue where visitors can stay. It is popular with Syrians and foreigners alike.
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The inside of Aleppo Citadel, one of the three sites renovated by Aga Khan Cultural Services.
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Shahba, a small Roman amphitheater similar to the one at Bosra. There is no entrance fee and no custodian.
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Part of the ruins of Halabiyya and Zalabiyya near Deir Ezzor. There are currently plans to build a dam on the adjacent river which will threaten the sites with flooding.
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Archaeologists have done significant work at Rasafa, but its prospects suffer from a lack of funding.
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