They spent a quarter of an hour wandering around the control center.
Of course one can spend pleasant hours wandering in the old city itself.
I spent two hours wandering through the museum, looking with care at all the displays.
We have by now spent several hours wandering around, checking names off our list.
We spent the next couple of hours wandering from one church to the next.
Two hours to research online bank options and wander the neighborhood for a better deal nearby.
I spent two hours wandering around the park alone with my pencils and notebook.
I've spent the last hour wandering about listening to the conversations around me.
We'd spend a few hours just wandering around, unseen, underhanded, looking for stories.
If you do not plan, you can spend hours just wandering around aimlessly.