Taryatu-Chulutu

The Khorgo, also known as Taryatu-Chulutu, is an extinct volcanic field in the Arkhangai Province of Mongolia. It is located on the northern slopes of the Khangai Mountains. The Khorgo lies east of the lake Terkhiin Tsagaan Nuur and together they are the core of the Khorgo-Terkhiin Tsagaan Nuur National Park. A notable geological feature are solidified lava bubbles, which the locals have named "basalt yurts".

• http://en.wikipedia.org/wiki/Taryatu-Chulutu