The United States and Russia may seem separated by vast oceans, rival histories, and thousands of miles, but at one remarkable point they are neighbors within sight of each other. In the Bering Strait, between Alaska and Siberia, sit two small islands known as the Diomedes. Little Diomede belongs to the United States, while Big Diomede belongs to Russia. The water between them is only about 2.4 miles wide.

On a clear day, residents of Little Diomede can look west and see Russian territory rising out of the sea. It is one of the strangest geographic realities on the planet: two global powers, often imagined as distant opposites, are close enough here that the other country is visible across a narrow, icy channel.

The islands are also divided by the International Date Line. That means Big Diomede is usually nearly a full calendar day ahead of Little Diomede. For this reason, the pair is sometimes nicknamed “Tomorrow Island” and “Yesterday Island.” Standing on the American side, you can look across to land where the date is already tomorrow.

Despite the short distance, crossing between the islands is not simple. The border is tightly controlled, the climate is harsh, and the surrounding waters can be dangerous. In winter, sea ice may form between the islands, but that does not make it an open crossing. What looks like a quick trip on a map is shaped by politics, security, and extreme Arctic conditions.

This tiny gap is a reminder that geography often surprises us. The United States and Russia are commonly discussed as if they occupy opposite ends of the world, yet in the Bering Strait they nearly touch. Less than three miles of cold water separate two nations. Few borders capture distance, history, and imagination in such a compact strange space.