The Principality of Sealand, a micronation 12 nautical miles from the British coast.

- Image ID: AHTR8K
Kim Gilmour / Alamy Stock Photo
Image ID: AHTR8K
Sealand is a disused offshore gun platform that dates from WWII. In 1967 Roy Bates declared the structure is own and created the Principality of Sealand.
Location: Roughs Tower, Principality of Sealand