Take a safari at sunset to watch as waves of heat and the slow descent of the sun turn the landscape gold. If you’re lucky, a giraffe will pause by a baobab tree at just the right moment. 12 of 12 ...

As the sun dips below the horizon and the light starts to dim, lucky observers may spot a rare, brief flash of emerald. This is the "green flash," which can sometimes be seen right after sunset or ...