Austin, known for its vibrant culture and outdoor activities, offers numerous free attractions for both kids and adults.

For Kids:

1. Zilker Metropolitan Park: This 351-acre park features playgrounds, picnic areas, and the famous Zilker Zephyr miniature train.
2. Austin Nature and Science Center: Offers interactive exhibits and nature trails.
3. Splash Pads: Various locations around the city provide free water play areas during summer.

For Adults:

1. Barton Springs Pool: A natural spring-fed pool that’s free to enter before 8 AM and after 9 PM.
2. Live Music on 6th Street: Many venues offer free live music performances.
3. State Capitol Building: Take a free tour of the historic Texas State Capitol.

For Both:

1. Lady Bird Lake Hike and Bike Trail: A 10-mile trail perfect for walking, jogging, or cycling.
2. Mayfield Park and Preserve: Home to beautiful gardens and peacocks roaming freely.
3. Graffiti Park at Castle Hill: An ever-changing outdoor art gallery.