The Guyaju Caves, also known as the Yanqing Ancient Cliff House, is a rock-cut complex of honeycomb caves carved into the slopes of the Tianhuang Mountain in the Yanging District of China.
Vanis Kvabebi (also called the Vani Caves) is an ancient cave monastery, located in the Vardzia Historical-Architectural Museum-Reserve in the Samtskhe-Javakheti region of the Lesser Caucasus in present-day Georgia.
Peveril Castle is a ruined 11th century fortress in the village of Castleton, situated above a giant cave opening called Peak Cavern, otherwise known as the Devil’s Arse.
Joya de Cerén is a pre-Columbian farming village from the Maya Classic period, located in the Zapotitán Valley in the La Libertad Department of El Salvado.
Yanartaş is a mountain temple sanctuary dedicated to Hephaistos, where natural fires have been burning for at least 2500 years through fissures fuelled by gas emissions in the Olympos valley, located in the national park in Antalya Province, Turkey.
The Dovbush Rocks is a group of natural and man-made structures, carved out of rock in the Skolivski Beskydy National Park in the Skole Raion of Ukraine.
Camlet Moat is a quadrangular moated enclosure monument known as ‘London’s Camelot’ near the summit of Ferny Hill, located in the Trent Country Park in the London Borough of Barnet.