What types of accounts are considered "foreign financial accounts" for FBAR reporting purposes?

Most filers will just be reporting their foreign bank account balances. However, you must also report any of the following that apply:

Foreign investment accounts (the account itself must be reported, but the contents of the account do not need to be reported separately)
Many different types of retirement and pension accounts
Financial account held at a foreign branch of a US bank
Foreign mutual funds
Foreign-issued life insurance or annuity contract with a cash surrender value