Albuquerque, with its rich cultural heritage and stunning landscapes, provides many free attractions:

For Kids:

1. ABQ BioPark Botanic Garden: Free admission on the first Wednesday of each month from 9 AM to 5 PM.
2. Petroglyph National Monument: Free access to ancient rock carvings and hiking trails.
3. Tingley Beach: Free fishing ponds and model boat sailing.

For Adults:

1. Albuquerque Museum: Free admission on the first Wednesday of each month and every Sunday morning.
2. Old Town: Free to explore, with historic adobe buildings and San Felipe de Neri Church.
3. University of New Mexico Campus: Beautiful architecture and free art galleries.

For Both:

1. Sandia Mountains: Free hiking trails with breathtaking views of the city.
2. Rio Grande Nature Center State Park: Free wildlife viewing and nature trails (small parking fee applies).
3. Albuquerque International Balloon Fiesta Park: Free to visit outside of the annual festival.