Bizarre Borders: These Countries Share Some Seriously Strange Lines

4. Italy and Vatican City

Border: Encircled by Vatican Walls Area: 3.2 km* Est. Gross Domestic Product: $30 billion (Vatican City) / $2.629 trillion (Italy)* The border between Vatican City and Italy, encircled by the towering Vatican Walls, serves as both a geopolitical and symbolic mark of spiritual authority. Enclosed by this distinct border is the world's smallest sovereign state in terms of territory and population.

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Italy and the Vatican City ©r/polandball/Reddit The walls, which were established in 1929 by the Lateran Treaty, include a rich tapestry of religious, cultural, and historical significance in addition to defining the territorial boundaries of this independent city-state. Housed behind these walls is the Pope's residence and the centre of ecclesiastical influence for the Roman Catholic Church.

5. Switzerland and France

Border: Hotel L’Arbézie Franco-Suisse Area: 573 km* (total border length) Est. Gross Domestic Product: $3.049 trillion (France) / $640 billion (Switzerland)* Situated in the charming mountain village of La Cure, on the border between France and Switzerland, Hotel L'Arbézie Franco-Suisse provides visitors with an experience that cannot be matched. Constructed during Napoleon III's boundary redraw in the 19th century, this quaint hotel makes the most of its unusual location by letting visitors dine and sleep in two different countries at the same time.

Switzerland and France © Wikipedia/Roland Zumbuehl The hotel's quirky past goes beyond its dual citizenship; the original owners' sons converted it from a house with a bar on the French side and a store on the Swiss side into a hotel.