"To explore the grounds" means to wander, investigate, or discover the different areas or parts of a location, such as a building, park, or estate. It refers to moving around and examining the surroundings. Full definition
You can enjoy several activities offered by the hotel and after exploring the grounds when you will return to the hotel, you can relax at the eco-friendly tent suites in the rainforest. (all-inclusive-costarica.com)
I liked that on the other tours I could make the most of my time by sipping on wine while exploring the grounds. (businessinsider.com)
Cat lovers have a ball exploring the grounds and seeing so many cats running free. (datingadvice.com)