>>105135241Columbus Day is a holiday in mid-October nobody celebrates. Apparently, the store was originally a Columbus Day shop until they realized that there was another holiday in October that people would actually need a shop for. Or it's just a joke about how some Halloween stores in the US flip between seasonal holiday themes (Christmas store in December, Halloween store in October, Summer store in summer, ect)
>>105135494This one is just a joke about how in the US, museums and indoor water parks both have big, fancy-looking buildings with a lot of windows. In this case, the museum looked similar enough to a water park that they just repurposed it as that.
>>105135618The Skywalker ranch is the only reason anyone cares about Nicasio, Claiformia, so the Simpsons equivalent just cut out the middleman and renamed the town. The writers used a different random town in California to distance themselves from the actual Skywalker Ranch, though.
