Iran by Province

• Ardabil

• Bushehr Province

• Chaharmahal and Bakhtiari Province

• East Azerbaijan Province
• Hilehvar Buried Village
• Kandovan

• Fars Province
• Sangtarashan Cave
• Shapoor

• Gilan Province

• Golestān Province

• Hamadān Province
• Ghar-e-Ali Sadr

• Hormozgān Province
• 3N Cave - Namakdan Cave
• Big Salt Cave
• Crystal Cave
• Kish Underground City
• Rainbow Cave
• Salt Goddess
• West Salt Cave
• Xarbes Caves

• Īlām Province

• Isfahan Province
• Underground City of Nushabad
• Reise Cave

• Kermān Province

• Kermanshah Province
• Do-Ashcaft Cave
• Ghar-e-Qūrī Qal'eh
• Ravansar Spring

• Khūzestān Province

• Kohgiluyeh and Boyer-Ahmad Province

• Kurdistan Province
• Karaftu Cave

• Lorestān Province

• Markazi Province
• Chal-Nakhjir

• Māzandarān Province
• Badab Soort
• Huto and Kamarband Cave

• North Khorasan Province

• Qazvīn Province

• Qom Province

• Razavi Khorasan Province

• Semnān Province
• Darband Cave

• Sistan and Baluchestan Province

• South Khorasan Province

• Tehran Province

• West Azarbaijan
• Sahoolan Cave

• Yazd Province
• Amir Chakhmaq Complex
• Shesh Badgir Ab Anbar

• Zanjan Province
• Ghar Katalehkhor