Business Insider has a piece and slideshow on The Gates of Hell in Turkmenistan and my 2009 trip there, Tour The Man-Made Crater That’s Been Burning For More Than 40 Years.
115,249 views in a day, amazing the traffic they bring in.
There is a worldwide fascination with the Gates of Hell / Door to Hell / Darvaza Gas Crater, an eternal flame to Soviet folly. If you are in the neighborhood, and few ever are, drop by and sleep by the camp fire. A sandstorm destroyed our tents and drove us away, but you may have a starry, starry night.