10 Places in Nature that are Scientifically Impossible

Synopsis
10: Devils Kettle - Disappearing waterfall
9: Hessdalen Lights - Appearing lights at night
8: Movile Cave - Cave that never saw light of day, sulfuric acid lakes, CO atmosphere, 33 unique species
7: Lake Karachay - Radioactive lake, killed instantly within an hour near it
6: The Double Tree of Casorzo - Cherry tree growing on top of a mulberry tree
5: The Sleeping City of Kalachi - City where people randomly collapse into naps, report memory loss fatigue and hallucinations
4: Circles of Namibia - Fields of grass with circles carved into them at random intervals
3: The Hum of Taos - Constant humming sound around a town
2: Never-ending Lightning Storm - Ongoing lightning storm over lake that starts at 7PM and goes for 10 hours 260 nights a year
1: The Boiling River - 4 Mile stretch of river in Amazon that boils, 700km from nearest volcano