Authorities have a ghoulish mystery on their hands after dozens of piles of cremated human remains were found in the desert near Las Vegas , RadarOnline .com can reveal.

The Bureau of Land Management confirmed the morbid discovery of pulverized bones and ashes after a horrified passerby came across the grim scene along a dirt road near the town of Searchlight, and turned over the eerie photos to a local TV news station.

The BLM confirmed that an investigation is underway, a representative told RadarOnline.com on Wednesday, August 27, stating, "Yes, we are looking into the issue." Article continues below advertisement

Gruesome Find Details

The Las Vegas CBS affiliate, KLAS TV, was the first to share the photos, showing some of the human remains in individual light gray piles,

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