The treacherous mud flats have claimed at least three lives over the past 55 years and have led to multiple rescues. Planet One Images/Universal Images Group via Getty Images.

Zachary Porter, a 20-year-old college student, was on a trip to Alaska when he got stuck in quicksand-like silt up to his waist and drowned when the tide came in before his friends could pull him out.

ANCHORAGE, Alaska — A man who was walking on tidal mud flats with friends in an Alaska estuary got stuck up to his waist in the quicksand-like silt and drowned as the tide came in before frantic ...

Zachary Porter, 20, from Illinois, was walking on tidal mud flats with his friends in an Alaska estuary when he suddenly became stuck as the tide came in, according to police ...

The drowning was the latest tragedy at Turnagain Arm, a 48-mile-long estuary in Alaska known for its dangerous mud flats made of silt created by glacier-pulverized rocks.

A channel flows through the mud flats along the Seward Highway and Turnagain Arm in Alaska on Oct. 25, 2014. Authorities said, a 20-year-old man from Illinois who was walking Sunday evening, May ...

The beautiful, yet deadly mud flats of Alaska's Turnagain Arm tragically claimed another victim this week, after a 20-year-old man became stuck waist deep and drowned with the incoming tide.

The 20-year-old man’s body was recovered Monday, and the accident was the latest tragedy at Turnagain Arm, a 48-mile-long glacier-carved estuary that travels southeast from Anchorage, Alaska.

A young man died after getting stuck in tidal mud flats in Alaska over the weekend, authorities said. Zachary Porter, 20, of Lake Bluff, Illinois, was walking on the Turnagain Arm estuary when he ...

A shocking video demonstrating the power of Alaska's deadly mud flats has gone viral online months after Zachary Porter, 20, drowned at Turnagain Arm. The alarming footage shows how quickly the ...