Australia has quite a few, especially around Melbourne. And they are all the most expensive places to buy or rent. Made up for the fact you save a fortune not needing a car.
> Also there are barely any walkable neighborhoods in America
There aren't enough, a lot more walkable neighborhoods would be quite welcome.
But it's an oft-repeated exaggeration that they don't and can't exist. There are tons of walkable neighborhoods in the US. Every place I've lived in California (four) has been a very walkable. My current suburban location is extremely walkable to pretty much anything I could need (and it was built in the 1990s, so it's not some pre-car era relic).