A walk to look at rocks indigenous to the city, led by the Urban Park Rangers.

A look at the difference between lakes and ponds, led by Urban Park Rangers.

The Urban Park Rangers are celebrating their 10th year by offering a wide variety of programs, some free and all under $5.

The Urban Park Rangers provide many free programs year-round, such as nature walks and activities.

Urban Park Rangers will discuss how animals adapt to cold weather in various habitats.

A walk through the remnants of a forest that once covered the area, led by Urban Park Rangers.

A search for evidence of nature's springtime activities, led by Urban Park Rangers.

An auditory bird and nature walk, led by Urban Park Rangers.

An early morning walk, led by Urban Park Rangers.

A look at the rocks that are native to the city, led by Urban Park Rangers.