By getting an insurance policy you get financial protection/reimbursement against losses from an insurance company. There are many different types of insurance.
Home insurance: With a home insurance policy you can get coverage to repair/rebuild your home in case of a fire, theft, vanalism etc. Most insurance policies also provide additional living expenses if your home has been damaged, and coverage for clothing, furniture and other possessions. Having home insurance is not a legal requirement but it is highly recommended.
Motor insurance: With a motor insurance policy you can cover your car, boat, RV, two wheeler/bike, commercial vehicles like taxi, busses and trucks. Did you know that in most states in the U.S. it is illegal to drive without car insurance coverge?
Travel insurance: Travel insurance is a good idea in case you need to cancel your trip due to sickness, job loss or a fligh canellation. It may also cover travel delays, damaged luggage and lost luggage. Having travel insurance is not required, it's up to you.
Health insurance: With a health insurance policy you can reduce your medical bills to a more reasonable amount. You can get covered for medical expenses such as hositalisation costs, surgery, the cost of your medicine, doctor consultations etc. Most states in the U.S. requires you to have health insurance. You may have to pay a penalty for not having one.
Life insurance: A life insurance policy is a contract between you and an insurance company as a protection and security for your family. Depending on the policy the insurance will pay a lump sum to your beneficiaries after your death. The money can be used for anything.
Below are some articles that may help you on your way to pick the perfect policy for you.