4 places catalogued in this kind of landscape.
A medieval village on a limestone spur above the Vero canyon, with walkways bolted to the gorge walls and Palaeolithic rock art in the caves.
A cliff of hexagonal basalt columns hanging over the Azat River, curved like organ pipes, a short scramble below one of Armenia's most visited temples.
A village on the Nam Ou river hemmed in by limestone karst towers, where the view from the Pha Daeng peak trail takes in the whole valley.
One of the oldest fortresses in Georgia, a 10th-century keep on a rock at the meeting of two rivers, walked past by everyone on their way to Vardzia and entered by almost no one.