If there were a list of the best Ice Age fossil sites, two that would top the list would be the La Brea Tar Pits in Los Angeles, California, and Natural Trap Cave in the Bighorn Mountains near Lovell.

The differences between the sites, however, couldn’t be more prominent.

The La Brea Tar Pits are a 13-acre park with a museum, pedestrian pathways, and attracts more than 350,000 visitors every year. It’s also planning a massive multimillion-dollar transformation that will include a 3,281-foot-long pedestrian walkway.

Meanwhile, the only thing that initially stands out about Natural Trap Cave is a heavy metal grate covering the main entry of the 85-foot-deep chasm to keep people and animals from falling inside.

When a team of paleontologists descended into the frigid depths of Natur

See Full Page