קפדוקיה הייתה למרכז חשוב של הנוצרים המוקדמים, ואלה חצבו בסלע הטוף
Montezuma Castle National Monument, located near Camp Verde, Arizona,
The Seattle Underground is a network of underground passageways and
Zelve Monastery was carved into the rock in pre-Iconoclastic times.
Setenil de las Bodegas is a town (pueblo) and municipality in the
Forestiere Underground Gardens Located at 5021 West Shaw Avenue in
The Amsterdam Dungeon, in the city of Amsterdam, The Netherlands,
Комплекс Осувка - подземный комплекс, считающийся некоторыми исследо
Kaymaklı Underground City is contained within the citadel of
Das Schwazer Silberbergwerk wurde seit dem Mittelalter betrieben. Es
Derinkuyu Underground City is located in the homonymous Derinkuyu
קובר פידי (באנגלית: Coober pedy) היא עיר בדרום אוסטרליה, המשמ
Labyrinth under Vegetable Market is a system of underground corridors
Fan Bay Deep Shelter is a series of tunnels constructed during World
The city of Brighton in England has an extensive system of Victorian
The Underground City (simplified Chinese: 地下城; traditional Chine