Conza Della Campania was destroyed in an earthquake in 1980 and rebuilt 5 miles away. The original town remains abandoned but can be visited.
Much of the area around Fukushima in Japan was abandoned in 2011 following the tsunami and resulting nuclear disaster which caused widespread damage.
The city of Pripyat in Ukraine was evacuated in 1986 following the disaster at the Chernobyl Nuclear Power Plant. It has remained abandoned ever since.