Denver, known as the “Gateway to the Rockies,” is a great starting point for exploring America’s famous national parks. Just a 90-minute drive from the city, Rocky Mountain National Park welcomes visitors with towering peaks, lush valleys, and the scenic Trail Ridge Road. About 4 hours from Denver, Great Sand Dunes National Park features the tallest sand dunes in North America, offering exciting experiences like sandboarding and stargazing. A little further away, about a 5-hour drive, Black Canyon of the Gunnison impresses with its steep cliffs and majestic natural landscapes. Denver is the perfect gateway to begin your journey to explore America’s majestic natural beauty.