9. Petra, Jordan

The ancient city of Petra, famed for its rose-red rock-cut architecture, has faced relentless threats from earthquakes and natural erosion. Over the years, these forces have chipped away at its stunning façades and intricate tombs. Thanks to recent conservation initiatives led by UNESCO and Jordanian experts, crucial sections are being stabilized and preserved, ensuring Petra remains an awe-inspiring wonder for generations to come. Find further details at UNESCO.