A full moon rises behind Glastonbury Tor as people gather to celebrate the summer solstice on June 20, 2016 in Somerset, England.
The June full moon was refered to as "Strawberry Moon" by Algonquin tribe of indigenous Americans because it occurred around the time the strawberries were being picked.
Matt Cardy / Getty Images
Revelers celebrate at Stonehenge on Salisbury Plain in southern England.
The June solstice marks the point when Earth’s northern axis is tipped toward the sun, giving us the longest days and shortest nights of the year.
KIERAN DOHERTY / Reuters
As the sun set the moon turned a slight shade of red near Schoenefeld, Germany.
RALF HIRSCHBERGER / EPA
Revelers enjoy the longest day of the year at Stonehenge.
In the U.S., summer began at 6:34 p.m. on the East Coast. That's when the sun reached its highest point in Earth's sky.
KIERAN DOHERTY / Reuters
The moon during the shortest night of the year near Nagykanizsa, Hungary.
SZILARD GERGELY / EPA