Dogs come in all shapes and sizes, but some breeds tower above the rest, in both height and heart. These gentle giants have been companions, protectors and working partners to humans for centuries.

NASHVILLE, Tenn. (WKRN) — The Nashville Zoo has welcomed the cutest Scottish Highland calf. Hamish is almost 7 weeks old, he is already moo-ving at top speed with some serious zoomies on his first day ...