Utah's Big 5 National Parks draw visitors from all over the world, and they can become pretty crowded. Of course, everyone wants to bask in the natural beauty of these parks. Back in the good old days when the parks were much newer, they looked a lot different. Check out these 15 snapshots from decades past. Is your favorite national park to visit in Utah on this list?

1. Arches National Park, 1950s

Visitors to Arches in the 1950s were greeted with this cool sign at the entrance. Back then, it was a national monument, not a national park.

2. Arches National Park, 1939-1941

The Civilian Conservation Corps worked to complete this bridge near the park's entrance between 1939 and 1941.

3. Arches National Park, 1939-1941

Here's a photo of the Civilian Conservation Corps camp's cook. Imagine making meals for a huge group of people in the wilderness back then!

4. Bryce Canyon National Park, pre-1929

Way back before the trails were completed at Bryce Canyon National Park, visitors used to hang on on the rim between Sunrise Point and Sunset Point, often enjoying music on the radio

5. Bryce Canyon National Park

Check out this cool car camping tent! We're not sure when this photo was taken, but we're guessing it was in the 1950s or 1960s.

6. Bryce Canyon National Park

An early photo of the Inspiration Point shelter, long before there were safety fences in place.

7. Canyonlands National Park, 1938

Back in the 1930s, several cowboys called this park home. This line camp in the Needles District has been preserved.

8. Canyonlands National Park, 1954

Moab scouts visited the Confluence Overlook and enjoyed the sunshine.

9. Canyonlands National Park, 1965

This photo taken by NPS employee Ed Rothfuss shows a line of old-school Jeeps on the White Rim Trail in 1965.

10. Capitol Reef National Park, 1937

Capitol Reef National Park got this fancy sign after President Franklin D. Roosevelt designated it as a national park on August 2, 1937.

11. Capitol Reef National Park, 1915

Imagine growing up in Capitol Reef National Park! The children in the Oyler family did just that, and they're pictured here with their horse Johnne.

12. Capitol Reef National Park, 1930s

A stunning view that includes a peek at the Fruita orchards back in the 1930s.

13. Zion National Park, 1960

An inspection party journeys into Bear Trap Canyon to see about further development in the area.

14. Zion National Park, 1957

The fire lookout at Lava Point - quite a view!

15. Zion National Park, 1937

This photo was taken during the construction of the Zion-Mount Carmel Tunnel. It was a true feat of engineering.

Do you have childhood memories of your favorite national park to visit in Utah? We'd love to read your stories and see your photos in the comments below!