There’s only one spot in the world where four countries come together at one point, and that’s at the intersection of Botswana, Namibia, Zambia, and Zimbabwe in southern Africa.

The twin cities of Bristol — one in Tennessee and one in Virginia — share a mutual downtown area that is divided by a single street, appropriately named State Street.

Connecting the Spanish municipality of La Codosera with Portugal's Arronches is the world's shortest international bridge, a wooden span measuring just 10.4 feet.

In the Middle Ages, the town of Baarle-Nassau was divvied up between the Duke of Brabant and the House of Nassau. When Belgium declared independence from the Netherlands in 1831, those entities became parts of different countries.

Visitors can enter the Haskell Free Library and Opera House through either the Canadian or the Vermont side, but it's required that every visitor exit the same way they came in.

Located on the Karakoram Highway at 15,439 feet above sea level, the Khunjerab Pass is a paved road connecting China and Pakistan.

Thanks to a 17th-century treaty, Spain controls Pheasant Island from February 1 to July 31, then France gets it the rest of the year.

A 12-mile stretch that splits through Croatia, Neum is the only access the otherwise landlocked Bosnia and Herzegovina has to the Adriatic Sea.

The northernmost point in the contiguous U.S., Minnesota’s Northwest Angle is separated from the rest of the state, accessible only by driving through the province of Manitoba, Canada.

The French-Swiss border goes right through the Hotel Arbez’s dining room, and there are even some rooms where guests can sleep in the two countries at once.

The watery border between New York and New Jersey cuts right through Ellis Island in New York Harbor — once home to the country’s largest immigration station.

Completed in 1931, the Hoover Dam straddles the border between Arizona and Nevada, diverting water from the Colorado River into the Lake Mead reservoir.

Located on the Zambezi River, the 355-foot-high Victoria Falls make up a chunk of the border between these two African nations.

Following the end of their hostilities in 1953, North and South Korea created a Demilitarized Zone (DMZ) along the entire 150-mile border.

The Four Corners in the southwestern U.S. is made up of, appropriately, four states: Arizona, Utah, Colorado, and New Mexico.

Opened in 1869, Egypt’s Suez Canal enabled direct passage from the Red Sea to the Mediterranean.

Niagara Falls is a group of three separate waterfalls on the Niagara River. These three falls span the border between the Canadian province of Ontario and the state of New York.

Istanbul — perhaps the world's most famous transcontinental city — is bisected by the Bosphorus Strait, one of the world's most important waterways.

The tallest mountain in the world, 29,031-foot Mount Everest, happens to exist on the border between China and Nepal.

Only one U.S. capital shares its border with another country. Juneau is bordered to the east by the Canadian province of British Columbia.