Also known as the Sea of Plastic, the greenhouses that now cover more than 40,000 hectares of the Spanish province of Almería are said to be easily visible from space. More info here.

Now one of Italy's most fertile plains, this is the area formerly occupied by Lake Fucine until it was fully drained in 1878. More info here.

A curious round-ish depression located in the mountains by the Korean DMZ. More info on Wikipedia.

The former capital of the Caribbean island of Montserrat, a British overseas territory, has been fully abandoned since 1997 due to a series of eruptions at the Soufrière Hills volcano. More info here.

More info on Wikipedia.

Another angle:

https://en.wikipedia.org/wiki/La_Plata

Another angle: