The high seas are the parts of the ocean that don't belong to any country. Once you sail far enough from shore, beyond a nation's territorial waters (usually about 12 miles out), you reach the high seas, where no single government is in charge.

For centuries, the high seas were highways of global trade and exploration. Ships from every nation could sail freely across them, carrying spices from India, tea from China, and goods to and from the Americas. The phrase freedom of the seas captures this principle: anyone can use these waters for peaceful purposes like fishing, shipping, or research.

The high seas also became the domain of adventure and danger. Pirates operated there because no country's navy could easily patrol such vast distances. Naval battles occurred on the high seas during wars. Today, international agreements help nations cooperate to fight piracy, protect sea life, and prevent pollution in these shared waters.

When someone talks about the perils of the high seas, they mean the dangers of ocean travel: storms, rough waters, and the challenges of being far from land. The high seas remain one of Earth's last great commons, shared by everyone and owned by no one.