2. Mind the mud
In March 2012, three Japanese tourists in Australia mapped out their path to North Stradbroke Island on their GPS system, but the nine miles of water and mud between the island and the mainland were left out.
As their GPS guided them into thick mud, the travelers tried to get back onto the road, but had to abandon their car because of the rising tide.
"It told us we could drive down there," Yuzu Noda told the Bayside Bulletin. "It kept saying it would navigate us to a road."