Visit the Waco Mammoth National Monument: This site is home to a collection of well-preserved Columbian mammoth fossils and offers guided tours and educational programs. 

Explore the Inner Space Cavern: This natural cave system is located in Georgetown, Texas, and offers guided tours of its unique rock formations and underground lakes.

Go wine tasting at local wineries: The Central Texas Wine Trail features several wineries and vineyards, including the Salado Winery, the Georgetown Winery, and the Pillar Bluff Vineyards.

Visit the Temple Railroad and Heritage Museum: This museum offers exhibits and displays about the history of railroads in Texas, including a historic train depot and locomotives.

Go fishing or boating on Lake Belton: This lake is located just outside of Killeen and offers opportunities for fishing, boating, and water sports.

Visit the Czech Heritage Museum and Genealogy Center: This museum in nearby Temple, Texas, offers exhibits and programs about Czech culture and history.

Explore the Texas Ranger Hall of Fame and Museum: This museum in Waco, Texas, honors the legendary Texas Rangers and offers exhibits and displays about their history and legacy.

Go hiking or mountain biking at the Cameron Park Trail System: This network of trails in Waco, Texas, offers scenic views of the Brazos River and is popular with outdoor enthusiasts.

Visit the Dr. Pepper Museum: This museum in Waco, Texas, offers exhibits and displays about the history of the iconic soft drink and its place in American pop culture.

Explore the Chalk Ridge Falls Park: This park is located near Belton, Texas, and offers hiking trails, waterfalls, and scenic overlooks.