You might think "online" is a word you use when you're on the internet, but did you know that "online" was first used by the railroads for a different reason?

The caboose was the red car at the end of the train and housed the crew. Today, advancements in technology have replaced the caboose with an end-of-train device.

Mile Zero was the starting point for the westward expansion of the Transcontinental Railroad.

Iowan, Grenville Dodge, is one of the great railroad engineers in history. President Abraham Lincoln asked him to share his knowledge and expertise on the best route for the Transcontinental Railroad.

The Missouri River was a connection for Iowans and others traveling west. However, the Missouri River was strong, dangerous and caused many boats to sink.

Steamboats transported goods to and from Iowa before railroads were built. 

Steamboats on the Mississippi River connected Iowa to other parts of the country, but not without challenges. Learn how engineers overcame problems faced by the Des Moines Rapids.

From horse-drawn wagons to steamboats to railroads to cars, how people travel in Iowa has changed over time.

Immerse yourself in the sounds, and imagine the smells and textures of the prairie. 

Learn about Iowa's geology and ancient past by exploring land features and fossilized creatures.