Serengeti National Park sits in northern Tanzania and is basically the OG spot for wildlife documentaries. Ever wondered why the word “Serengeti” pops up so much in nature shows? It’s because this place is home to the largest annual animal migration on Earth—over a million wildebeest, plus zebras and gazelles, all on the move.

But it’s not just about the big herds. The Serengeti is where you’ll find some of the world’s highest concentrations of lions, and researchers have tracked lion prides here for decades, learning how these big cats navigate the open plains, sometimes even losing track of their cubs in the tall grass.

The best time to visit is from June to October, when the migration crosses the park and the weather’s dry. Most travelers fly into Kilimanjaro International Airport, then hop a small plane or drive west to the park’s main gates.

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