2. The Baltic Sea
If you’re looking to see a sea in solid form, at the annual max, the Baltic Sea is exquisitely ice-covered for about 45% of its surface area. A typical winter sees the Gulf of Riga, the Gulf of Finland, the Gulf of Bothnia, the Stockholm archipelago, Väinameri in the Estonian archipelago, and the Archipelago Sea of Finnish territorial waters all iced over. Not only can you go ice fishing on the Baltic, but the gorgeous cracked surface makes for extraordinary photographs. The Baltic has served its bordering countries with not only fish, but amber, along its southern shores. Trade across the Baltic has traditionally included fur, hemp, wood tar, flax and lumber. Iron and silver has also been exported from Sweden since medieval times.