Estonia Military + Winter Pictures

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See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

Discover ocean-themed displays at this interactive museum, where exhibits are spread across a 16th-century cannon tower and a vast converted seaplane hangar.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

Ferocious predators, endangered species and the thrills of an adventure park provide a memorable day out at this popular city zoo.

Discover ocean-themed displays at this interactive museum, where exhibits are spread across a 16th-century cannon tower and a vast converted seaplane hangar.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

Book in for a guided tour of this fascinating functioning hotel, which was used as a base by KGB operatives during the Soviet era.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.

Discover ocean-themed displays at this interactive museum, where exhibits are spread across a 16th-century cannon tower and a vast converted seaplane hangar.

See Viking ships, a seaplane and a shipwreck, and snoop around the cramped quarters of a 1930s submarine at this maritime-themed museum.