1. Cave pool, Santorini, Greece
2. Cave dwelling, Sicily
3. Domus Civita, Italy
4. Caves in Nottingham, England
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5. Hillside Home, Vals, Switzerland
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6. Cave homes, Cappadocia, Turkey
7. House Cave, Sacromonte, Spain
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8. Rock houses, Iceland
9. A hogan in Arizona
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10. Vardezia cave city, Georgia
11. Bad Blumau, Austria
12. The Brochs of Coigach, Scotland
13. Beckham Creek Cave Lodge, Parthenon, Arkansas
14. Sala Silvermine, Sweden
15. Village of Kandovan, Iran
16. Nas montanhas de Fafe, Portugal
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17. Dietikon, Switzerland
18. Aloni house, Antiparos Island, Greece
19. Bolton Eco House, England
20. Malator in Druidstone, Wales
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21. Rock house
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22. Matmata village, Tunisia
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23. Cave House, Festus, Missouri
24. House of Spiritual Retreat, Seville, Spain
25. Cave Home, Troo, France
26. OUTrial House, Poland
27. Dune House, Atlantic Beach
