From the Gates of Hell in Turkmenistan to Wulingyuan National Park in China, here are little-known natural wonders.
The Gates of Hell in Turkmenistan
In tenth place is ‘The Gates of Hell' in Turkmenistan, which is a crater that has been ablaze non-stop for around 40 years, caused when natural gas was set on fire.
In tenth place is ‘The Gates of Hell' in Turkmenistan, which is a crater that has been ablaze non-stop for around 40 years, caused when natural gas was set on fire.