Victoria Amazonica Water Lilies can be up to 3 metres in diameter and can support the weight of an adult. They stay afloat because of the web-like structure of veins which are filled with air.
Someone stole a 21 foot hammer from the community center in Healdsburg, CA and it hasn’t been returned so someone else (I’m assuming) mysteriously installed a 3 foot nail that reads “BAIT” on its head. (article)