Myetherwallet
If you are sending LTC to Myetherwallet just the same as you commit suicide. wkwkwkkw
look here :
https://coinmarketcap.com/currencies/litecoin/#markets
you can put it in various markets.
but if you want you can keep it in LTC offline wallet
The most safest and secured wallet for LTC is none other than hardware wallets like trezor or ledger.