The series that looks at 10 places with complicated and absurd borders.

Since the invasion of Ukraine the shadow of Putin’s expansionism has been hanging over nations with a border with Russia.

A sunken migrant ship means administrative work for the authorities while tourists enjoy their day.

In late July 2026, more than 70,000 people crossed the border between Morocco and Spain at Ceuta. Why did this happen?

Between music and travel, let these concerts in Paris transport you across borders. 

On the southern border of the Gaza Strip, the Sinai Peninsula is a "grey zone" on the brink of war between Hamas and Israel.

From the frontiers of the Roman Empire to the European Schengen area, a fascinating trip through the origins of borders.

One man’s migration story: A Syrian who fled to Lebanon during the war, then built a life in Brazil before trying to reach America.

A Russian drone strike on a train close to the Polish border in Ukraine looks to dissuade Europeans from visiting Kyiv.

Ordinary civilians are now preparing for war by volunteering for the Latvian National Guard in large numbers.

Our reporters filmed an exclusive report from the border area occupied by the Israeli army.

With Brexit looming, two reporters travel along the UK-Irish border hearing local people's hopes and fears

In eastern Poland, on the border with Belarus, the Bialowieza Forest is at the heart of an intense migratory and geopolitical crisis. 

The Baltic states are in a precarious security situation. Many fear a Russian invasion. How are people coping with this threat? 

A rail journey through the northernmost Baltic state takes in the country’s vast forests, medieval towns and traditional songs.

The wetlands of southern Louisiana, a paradise for birds, are threatened by climate change.

Climate change, drought and forest fires are putting pressure on Europe’s national parks.

Faced with the perceived Russian threat, Norway is reinforcing its military capabilities.

Many French people cross the border to Belgium to end their lives in dignity, where assisted dying is possible.

Mexicans are receiving much less money in remittances from family living in the United States, affecting the economy.