Every couple wants their wedding day to be one to remember, but this couple went above and beyond to make sure theirs was unlike any other. James Sissom, 35, and Ashley Schmieder, 32, from California, travelled thousands of miles and spent days trekking through the snow to tie the knot on Mount Everest. The adventurous newlyweds, who spent a year planning the trip, braved freezing temperatures, gruelling terrain and altitude sickness on their way to Everest Base Camp, where they exchanged vows at 17,000ft above sea level. +16 On top of the world: James Sissom and Ashley Schmeider travelled thousands of miles to tie the knot on Mount Everest +16 Gruelling: The adventurous couple, pictured, spent months training for the three-week trek to Everest Base Camp +16 Touch of tradition: Ashley slipped into her breathtaking strapless wedding gown inside the team's tent, pictured Ashley said: 'After much deliberation, we de