Maya Rise & Fall
Scholars have long puzzled over the Maya civilization's rise to glory and fall to ruin. The latest thinking is that a man named Fire Is Born made the Maya great. But no one person or problem caused the collapse. Simply put, everything went wrong.
The Perils of New Orleans
With seas rising, storms getting stronger, and ground subsiding, another disaster like Katrina seems inevitable. Yet some residents would rather run that risk than leave the place they call home.
Hunting Narwhals
Medieval royalty coveted the Arctic whale's long ivory tusk. So do modern hunters, and that's taking a toll on the population.
Mexico's Pilgrim Cowboys
Thousands of Mexican riders make the yearly journey to Guanajuato's 65-foot-tall statue of Cristo Rey, Christ the King.
Fantastic Ants
Things you likely didn't know about ants: They groom each other. They use tools. And they love hang gliding.
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