Lonely Bottlenose Dolphin in the Baltic Sea

A lonely bottlenose dolphin in the Baltic Sea named Delle may be chatting to himself due to lack of friends, as he makes vocal calls in the absence of other dolphins. Scientists are puzzled by this behavior and suggest it could be a result of the dolphin's need for social interaction.

Lonely House on Remote Island

The world's loneliest house sits on a remote island in the middle of the Atlantic ocean, sparking various theories including being built for a zombie apocalypse. In reality, it was a hunting lodge built in the 1950s. Visitors must face freezing temperatures and giant waves to reach it.