Discovery Park of America holds its 2nd Annual Cardboard Boat Regatta on May 30. The deadline to enter is Friday, May 22. Awards include first, second, and third place; a team spirit award; the "Titanic Award" for the most spectacular sinking; and "The Van Gogh Award" for most creative boat. Details at discoveryparkofamerica.com.
Photography enthusiasts are invited to visit the Nature Station this Saturday morning from 9 to 10 for a special early-morning photo session with exclusive access to the backyard and its birds. Space is limited, and reservations are required at (270) 924-2020.
The American Red Cross offers high school and college students ages 16 to 24 the chance to win a scholarship by hosting a blood drive through the Leaders Save Lives program. A total of 10 scholarships will be awarded, as well as electronic gift cards for students meeting their collection goals. Register at redcrossblood.org/leaderssavelives.