World War II officially ended in 1945. But for people living in the countries that participated in the conflict, hidden dangers still lurk beneath the surface. During these battles, military forces on all sides experimented with heavy artillery and massive airdrops.
Thousands of these bombs hit the ground without ever detonating and remain hidden for decades. Every year, excavation crews and ordinary citizens accidentally uncover these dangerous relics.
In this gallery, we look at some of the largest unexploded bombs ever discovered. Click on to know more.