Celebrity Cruises invested more than $250 million in modernizing its Solstice Series ships, beginning with Celebrity Solstice, and after spending a week onboard in Alaska, it became pretty obvious why this redesign works so well there. Alaska passengers use a ship differently from Caribbean travelers. Instead of parking themselves beside the pool all day, people move between observation decks, lounges and outdoor spaces for hours at a time while glaciers, waterfalls and snow-covered mountains slide past the ship. On Celebrity Solstice, the refresh leaned directly into that reality with more outdoor seating, social lounges and panoramic gathering spaces that stayed busy even in freezing wind and sleet near Hubbard Glacier. During Celebrity Solstice’s first refreshed round-trip Alaska sailing from Vancouver through the Inside Passage to Hubbard Glacier, Icy Strait Point, Juneau and Ketchikan, the ship felt built around the way Alaska passengers actually cruise.…