The longest continuous international border is the United States/Canadian border and is 5,525 miles long.
The international border between China and Nepal crosses the precise summit point of Mount Everest which peaks at 8,848 meters (29,029 ft) above sea level, making it the highest border in the world.
The Belgium town of Baarle-Hertog is complicatedly intertwined with the town of Baarle-Nassau in the south Netherlands. There are 26 enclaves of Baarle-Hertog, the smallest of which is only 2,632 square meters in area.
The entrance to St. Peter’s Square marks the border between the small city-state of Vatican City and Italy. It’s one of the most visited borders by tourists and locals.
EU Schengen Area allows the freedom of movement for all its people, which means internal border checks have largely been abolished.
Poland bordered with USSR, East Germany, and Czechoslovakia in 1989, none of which now exist. It now borders Germany, Lithuania, Belarus, Ukraine, Slovakia, the Czech Republic, and Russia.
Botswana and Zambia share a border that’s only 150 meters long.
Spain erected a long fence in order to keep illegal immigrants travelling through Morocco out of the country.
The longest continuous land border is the 4,254 miles between Russia and Kazakhstan.
If you cross the border between China and Afghanistan, you’ll need to adjust your watch by 3.5 hours.