If you are talking about Rare Candies, then yes, they are in various locations across Unova/Isshu. If not, there are no such items that exist in Pokemon.
Only ground
There is only one rod in Pokemon Black and White. You will receive it after beating the elite four. It is the SUPER ROD. it lets you catch a ton of new pokemon.
Yes, after Pokemon Black and White, Pokemon Black 2 and White 2 were released. Then on it was X, Y, Omega Ruby, and Alpha Sapphire with a few side games like Pokemon: Super Mystery Dungeon and Pokemon Picross. Upcoming will be Pokemon GO and Pokemon Z.
Just hit it with super powerful moves and hope for the best.
Unlike other Pokemon games, you can only get the Super Rod in Pokemon Black and White, and it is given too you after you defeat the elite four.
The good rod is unavailable in Pokemon Black and White. Instead, when you start the postgame Looker will give you the Super Rod.
you CANT get the good rod in black or white only the super rod after you beat the game
To get the super rod you have to beat N and Looker will give it to you when he asks you to find the 7 sages.
Charzard and Pikachu they look super mysterious so they created it!
You cant you can only get the super rod after you have beaten the elite four for the first time
Super Cookie.
You have to complete the whole game, then a guy named Looker will give you a Super Rod.