https://www.cntraveler.com/galleries/2014-10-15/the-most-terrifying-places-on-earth
https://en.wikipedia.org/wiki/Yungas_Road
https://en.wikipedia.org/wiki/Beelitz#Beelitz-Heilstätten
https://en.wikipedia.org/wiki/Great_Blue_Hole
https://en.wikipedia.org/wiki/Darvaza_gas_crater
https://en.wikipedia.org/wiki/Haw_Par_Villa
https://en.wikipedia.org/wiki/Ijen
https://en.wikipedia.org/wiki/Blood_Falls
https://en.wikipedia.org/wiki/Gomantong_Caves
https://en.wikipedia.org/wiki/Catacombe_dei_Cappuccini
https://allthatsinteresting.com/bolton-strid
https://en.wikipedia.org/wiki/Nagoro
https://en.wikipedia.org/wiki/Centralia,_Pennsylvania
https://en.wikipedia.org/wiki/Pripyat