Animals in Italy's Bioparco di Roma and the Pairi Daiza animal park in southern Belgium enjoy frozen fruit and meat popsicles to cope with the heat.

Popular varieties include strawberry, grape, and mixed berry. Despite being low in calories, they still provide some vitamin C and fiber, making them one of the healthiest frozen treats on the shelf.

Bring sugar and 1/2 cup water to a boil in a small saucepan over medium-high. Reduce heat to medium-low; cook, stirring occasionally, until sugar dissolves, about 3 minutes. Transfer to a small ...