Mardi Gras, Shrove Tuesday, Pancake Tuesday, etc is typically the day a community in central Mexico has a somewhat notorious festival in which people put homemade explosives on top of sledge hammers and slam the hammers into stuff to make big explosions. If you go, don't blame us for anything that happens. Plus: a town in Kansas marks Pancake Day with a pancake flipping race.
The explosive festival of San Juan de la Vega (La Silla Rota Guanajuato)
Annual 'exploding hammer' festival might be the most dangerous event in Mexico (Mashable)
Liberal pancake race (Kansas Historical Society)