Chupacabra
Mexico City.
Quebec city
Mexico City.
outside of Puebla
Quebec City qualifies as such.
Cancun is it's own city, it's located in the Yucatan peninsula in Mexico. The biggest city next to it is Merida Mexico. Outside of that, Cancun is not inside of a city.
Old Quebec City, Quebec is the only walled-city in North America that is left standing outside of Mexico. Quebec City is the capital of Quebec and the second-largest city in the province.
Ottawa (Canada)
Xochimilco.
Canton
peking
Popocateptel, just outside of Mexico City, is a stratovolcano.