You have to leave Viridian City and go through Mt Moon to get to Cerulean City. You may meet some bad guys on the way through Mt Moon and also get a fossil.
cerulean city
Basically it's the 3 (and pikachu) beginning Pokemon you got to choose in red and blue version, you can get them from people in the game one is in cerulean city, the other on route 24 and the last in vermilion city.
Misty is at the Cerulean Cape. It's close to Cerulean City.
its in the southern part of cerulean city
North of Cerulean city.
goldenrod city and kanto by cerulean city(route 25)
Unknown Dungeon was the name of a cave in Red, Blue and Yellow version that is located northwest of Cerulean City you would need Surf to reach their the cave is now called Cerulean Cave.
go through Mt. Moon. its left of Pewter city
beat Giovanni in the game corner in cerulean city
You have to go through the Mt. Moon, which is a cave located east of Pewter City.
You can get Bulbasaur in Pokemon Red, Green and Blue from Professor Oak at the beginning of the game but in Pokemon Yellow you can get Bulbasaur in Cerulean City the house beside the Pokemon Center also beside the Cerulean Gym.
to get to cerulean city, you need 8 johto badges and you need to beat the elite four. then you get an ss ticket from prof. elm, which will take you to vermilion city in kanto. then go south and you will end up in cerulean city.