Fort Blunder, a fort intended to protect the USA in the 1800s, was mistakenly built in which neighboring country?

The US town of Calexico and the Mexican town of Mexicali, located on opposite sides of the border, get their names from a blend of 'Mexico' and which US state?

To seek more affordable healthcare, particularly dental work, residents of the US border region often cross into which neighboring country?

The Jay Treaty of 1794 grants which group the right to travel freely across the border between Canada and the United States?

Which two countries share the longest international border in the world?

Many borders in the Middle East, as we know them today, were largely shaped by a secret agreement between which two European powers during World War I?

What pivotal event in 1989 was triggered by a misspoken announcement about border crossing?

On which island in the Caribbean do France and the Netherlands share a land border?

The 'Smuggler's Inn', a unique accommodation, is located directly on which international border, offering guests the unusual activity of watching border crossings?

What type of bird has been known to be used for smuggling drugs into prisons and across borders?