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Lakes tend to freeze from the top down.

Certain plants grow during specific times of the year and others do not.

A privately owned flower garden contains black-eyed Susan flowers, which the owner never planted.

When the weather turns cold, the grass visibly changes and turns brown. When leaves lose their color they shrivel up and decompose.

The Daryl Smith Prairie includes many diverse plants including natural plants native to Iowa.

It is often very windy in Iowa, and those winds typically cause it to feel much cooler than the air temperature would suggest.

In the morning, you may find a layer of ice on your car window.

The visible colors of sunsets are the result of many different natural and human-made factors.

In the winter some types of birds still around but others are not.

Weathering and erosion impact natural and human-made objects alike.

The Driftless Area is a region in northeastern Iowa as well as other parts of the Midwest where the last continental glaciers passed by, leaving this area driftless.

A low-head dam in Waverly, Iowa, helps to divert water.

All chickens have similar physical characteristics, but they do not look the same.

The Manchester trout hatchery produces more than 600,000 fish for waters across Iowa and is one of the few fish hatcheries in the state.

Bridges are built to travel over bodies of water during flash flooding.

During winter in Iowa, male whitetail deer shed their antlers.

Iowa is home to a variety of waterfalls.

Bittersweet is an invasive plant that has been found in Backbone State Park.