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.
Across the North Caucasus of Eastern Europe, are structures built in the characteristics of Vainakh tower architecture for defensive or domestic use, that were constructed by the Nakh peoples in Chechnya, the Republic of Ingushetia, and north-eastern Georgia.
The Giants’ Graves or Giants’ tombs, refers to the collective of tombs scattered throughout modern-day Sardinia, that feature a type of megalithic gallery grave built by the Nuragic civilisation.
The Egyptian Pyramids are described as pyramid-shaped monuments, constructed mostly as funerary tombs and ceremonial complexes for the departed pharaohs during the Old Kingdom (2575 BC to 2150 BC) and Middle Kingdom (2050-1550 BC) periods.
Isca Augusta, also called Isca Silurum, and Carleon Roman Fortress is an archaeological site and the remains of a large legionary fortress located in present-day Carleon, Wales.
The Antonine Wall (Vallum Antonini) was a defensive wall built by the Romans in present-day Scotland, that ran for 39 miles between the Firth of Forth, and the Firth of Clyde (west of Edinburgh along the central belt).
Hadrian’s Wall (Vallum Aulium) was a defensive fortification in Roman Britain, running for 73 miles (116km) from Mais at the Solway Firth on the Irish Sea, to the banks of the River Tyne at Segedunum at Wallsend in the North Sea.