Ellison's Cave(en.wikipedia.org)

30 points by dataminer 3 years ago | 19 comments

Shavarsh Karapetyan(en.wikipedia.org)

182 points by handfuloflight 1 year ago | 23 comments

Bunkers in Albania(en.wikipedia.org)

193 points by samclemens 1 year ago | 144 comments

Kangina(en.wikipedia.org)

83 points by thunderbong 7 months ago | 5 comments

Yakhchāl(en.wikipedia.org)

75 points by thunderbong 2 years ago | 4 comments

Qanat(en.wikipedia.org)

394 points by vinnyglennon 2 years ago | 84 comments

Wikipedia article on qanats, underground channel systems originating in ancient Iran that transport water from aquifers to the surface in arid regions.