Updated October 2025.
Exploring Knoxville from Above: A Unique Perspective
In the heart of World’s Fair Park, the Sunsphere Knoxville stands as one of Tennessee’s most unique landmarks—and right now, it’s offering something spectacular. Built for the 1982 World’s Fair, its golden glass panels gleam in the sunlight, but in mid-October? The real show is 266 feet below, where the Great Smoky Mountains explode in fall color, visible from the observation deck.
For just $5 per person, visitors can access the Observation Deck on the 4th level, offering sweeping views of Knoxville—from historic sites to modern architecture, all framed by the rolling Tennessee hills.
But here’s what makes an October visit extra special: from the 4th level Observation Deck, you’re looking out over Knoxville right as the surrounding mountains hit peak fall foliage. The Smokies typically peak in mid-to-late October, and from up here, you get a panoramic view of the entire color show—reds, oranges, and golds stretching across the Tennessee hills in every direction.
A Quick History of the Sunsphere
Designed as the symbol of the World’s Fair, the Sunsphere was constructed to represent the sun itself, standing 26 stories tall with a 75-foot-wide golden sphere at its peak. While the 1982 fair introduced groundbreaking innovations, the Sunsphere remained one of its most memorable creations, ultimately transforming into a lasting city icon.
After periods of uncertainty and restoration, the Sunsphere reopened, inviting visitors to once again experience its breathtaking cityscape views.
Our Visit to the Sunsphere Knoxville TN
This was our first stop on the journey through Tennessee, and visiting the Observation Deck was an easy decision. Purchasing tickets took less than three minutes right from my phone—a seamless process at the base of the elevator.
From the top, Knoxville unfolded before us, revealing everything from historic buildings to glass-covered towers. Even with the cloudy skies, the Sunsphere delivered a fantastic vantage point—but imagine this view in mid-October on a clear day, with fall colors lighting up the mountains. If you’re visiting this week, you’re hitting it at the perfect time.
Here’s a look at Knoxville from the Sunsphere Observation Deck—where the city unfolds from above!
Best Time to Visit for Fall Colors
Mid-October is prime time for leaf peepers. The Sunsphere gives you a 360-degree view of Knoxville and the surrounding Smoky Mountain foothills, so you can actually see which areas have the best color and plan your next stop accordingly. Pro tip: Visit in the late afternoon when the golden hour light hits both the fall foliage AND the Sunsphere’s gold panels—it’s Instagram gold (literally).
Bonus: World’s Fair Park itself is planted with maples and other deciduous trees, so even walking up to the Sunsphere base is a fall foliage experience right now.
Seeing the World’s Largest Basketball
One unexpected surprise? From the Observation Deck, you can actually spot the World’s Largest Basketball, sitting atop a building nearby. If you’re into quirky roadside attractions, it’s worth checking out in person!
Sunsphere Knoxville FAQ
How much does it cost to go up the Sunsphere?
Just $5 per person for the Observation Deck. You can buy tickets right at the base via your phone—takes about 3 minutes.
When is the best time to visit the Sunsphere for fall colors?
Mid-to-late October is peak fall foliage season in the Smokies. The Sunsphere gives you 360-degree views of the color show.
What are the Sunsphere hours?
Hours vary by season—check worldsfairpark.org before you go, especially during fall when hours may adjust.
Can you see the Smoky Mountains from the Sunsphere?
Yes! On clear days, you get panoramic views of the Smoky Mountain foothills and Knoxville’s surrounding hills—especially stunning during fall color season.
Is parking free at World’s Fair Park?
Yes, there’s free parking at the park. During peak fall weekends, arrive early for the best spots.
How long does a Sunsphere visit take?
Plan for 30-45 minutes. It’s quick but gives you plenty of time to enjoy the views and snap photos.
More Tennessee Adventures
The Sunsphere was just one of many stops we made while exploring the state! If you’re planning a trip, be sure to check out our Tennessee Bound post, or browse our Things to Do in Tennessee list for more can’t-miss attractions!