>>Other oddities, including World War II mines
That escalated rather quickly.
“The name of the game is ‘Treasure Hunt’ where you may be lucky to find gold treasure or CERTAIN DEATH!”
This family walks away with the sad trombone.
There was a British series on metal detecting called “The Dectectorists”. One episode does involve a previously unexploded bomb. The guy survived, but it does show the risk of digging where a war happened.