Martin?s cove is a 933 acre historic cove located 89 km southwest of Casper, Wyoming. It is best known as the den where about 500 Mormon emigrants took shelter in November 1856 for five days when they were met by strong snow and extreme cold. More than 140 members of the company who hid in the cove died even before they reached their destination, Salt Lake City. The area where Martin?s Cove is located is actually now called Mormon Trail because of what took place in that cold night of 1856.

Since then, more than 100,000 people, mostly members of The Church of Jesus Christ of Latter-day Saints visit the cove yearly. Martin?s Cove was listed as a Historical Landmark in the National Register of Historic Places in 1977.