Exercises effective for building endurance include running, cycling, swimming, and using cardio machines like treadmills or ellipticals. Additionally, circuit training that incorporates both aerobic and strength exercises can enhance cardiovascular fitness. Gradually increasing duration and intensity in your routine can also lead to improved endurance. Such activities not only strengthen the heart and lungs but also enhance muscular endurance, allowing individuals to perform daily activities with less fatigue while enjoying better overall health.