The biggest full moon of the year Saturday (tonight) will bring the highest and lowest of tides too. And, according to NASA Science News, dogs may howl and the bright glare of moonbeams may keep you up that night. (If you don't believe me, watch the video above that explains it.)
In fact, the "perigree moon," as it's known, occurs at 8:40 p.m. Pacific time when the moon in its orbit comes closest to Earth -- and only super-keen observers will be able to distinguish it from a regular full moon. No matter, it's a good excuse to go into the dark (provided it's not cloudy) for a little lunar gazing.
The deal: The best place to view anything happening in the heavens is a dark place away from city lights -- and these free hikes fit the bill. The Santa Monica Mountains Conservancy leads two "supermoon" hikes Saturday in the local mountains.