The clue is in the name for this national park on the Utah-Colorado border – a must-see for any dinosaur fan, young or old. As you step into a prehistoric landscape, a gentle hike through the desert terrain reveals fossilised fish scales and clam beds, giving you a taste of the ancient world. But the real highlight awaits at the Quarry Exhibit Hall, where a glass building wraps around a massive wall of exposed bones – giant ribs, vertebrae, skulls and stegosaurus plates embedded into the rock like a Flintstones jigsaw dating back 65 million years.

Bucket-list adventures on and off the river in this incredible US state