La Casa Mínima in Buenos Aires is the narrowest house in the city, measuring just 8.2 feet wide at its widest point.

Legend has it that it was once owned by a freed slave, but historical studies suggest a more mundane origin story. Originally part of a larger home, it ended up as a standalone slice due to some questionable real estate decisions.

Tours: You can visit inside the house. To do so, you need to buy tickets across the street on Calle Defense in the Zanjon de Granados building. Tours are limited - usually only on weekends and holidays, once a day. Honest take: It was interesting to see inside but if you're on limited time, the tour of the Zanjon de Granados structure and its tunnels was far more interesting.