As an official member of the Flat Earth Society, we figured it would be a good idea to round up the flattest, most impressive places on the planet. That way, you can explore some of these places on vacation, snap some photos, and prove to all those non-believing Round-Earthers out there that they’re flat-out wrong! (See what we did there?)

Without further ado, behold 10 cool places you can stay to prove the Earth is flat. (And while you’re there, why not book a vacation rental and make a whole trip out of a it?)

1. Salar de Uyuni, Bolivia

The Salar de Uyuni are the largest salt flats in the world. When you stand in the center, a salt crust extends as far as the eye can see, proving that the Earth is obviously flat. Pro tip: the best time to visit these salt flats is during the February and March rainy season, when a thin layer of water sits on the flats, reflecting the sky and making it seem like there’s no division between land and sky. Most visitors come to take fun photos and spot huge flocks of flamingos on a driving tour, but you’ll be focused on snapping the perfect photo to disprove your Round-Earther friends. Look for vacation rentals in nearby Uyuni.

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2. Nullarbor Plain, Australia

A huge, treeless plain tucked away in the Australian outback, many find the Nullarbor Plain to be shockingly flat, although it’s no surprise to you because you’ve known all along that the Earth is (duh!) flat. The plain is home to the famous 90 Mile Straight, which is a section of the Eyre Highway that boasts being Australia’s longest road without turns. The drive itself is the plain’s main attraction; after you enjoy the view and your evidence-collecting photo ops, head to Cocklebiddy for vacation rentals and access to Nuytsland Nature Reserve. If you’re looking for the most comfortable temperatures, visit during the Australian winter months of June, July, and August.

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3. Everglades National Park, Florida

Florida is the flattest state in America. Therefore, it’s a Flat-Earther rite of passage to experience the flatness of Florida’s Everglades National Park. During the spring or fall, rent a kayak or join an airboat tour and head out into the swaying sea of grass and water. Along the way, look out for the alligators and marsh birds that live in the canals and mangrove swamps. The best place to access the Everglades is from Everglades City, which is home to a variety of lovely vacation rentals, which you’ll want to scurry back to after a long day in order to share all your Flat-Earth findings with your Facebook friends.

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4. Wadden Sea Mud Flats, Germany

While Bolivia has salt flats, Germany has the opposite: mud flats. Head to Borkum, an island in the Wadden Sea during the summer to check out just how (obviously) flat these flats are. When the tide goes out, a wide, flat sea of mud appears. Take advantage of this otherworldly experience by hiking straight out from the beach. Stick to the marked paths, if available, or book a local guide to take you safely out into the mud. When the tide comes in, relax on the beach or hang out at the Gezeitenland water park.

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5. Makgadikgadi Pan, Botswana

A series of salt flats separated by stretches of desert, the Makgadikgadi Pan is a sight to see. If you stand in the center, it’s impossible to see the horizon (a.k.a. the actual end of the Earth) because the flats cover more than 6,000 square miles. While you’re there, explore Makgadikgadi National Park, ride ATVs at top speed, and hunt for the occasional palm tree-covered oasis. The best time to go is from March through October, and make sure to look for rentals in Maun.

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6. Danakil Depression, Ethiopia

The remarkable Danakil Depression is a huge, flat expanse of desert in northeastern Ethiopia that really shows off just how not round this planet is. The only way to visit this fascinating area is on a tour; if possible, visit during the coolest season, which extends from November through February. Be prepared – even during the winter, the desert is hot enough that you’ll probably need to seek shade midday. Choose a tour that visits the lava lake at Erta Ale and the neon-colored Dallol hot springs. Search for vacation rentals in Mek’ele, the departure point for many tours.

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7. Bassas da India, Mozambique

Tucked into the Mozambique Channel between Mozambique and Madagascar is Bassas da India, a fascinating atoll that barely peeks out from the ocean around it. This thrilling, flat area is uninhabited, but you can reach it by boat or plane and really impress your Flat-Earther friends with some fresh evidence of this new place. Stay in Beira, a large city in Mozambique to book a private charter; no commercial companies visit the atoll.

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8. Llano Estacado, Texas and New Mexico

Spreading across northwestern Texas and part of Eastern New Mexico is Llano Estacado. This wide, unsurprisingly-flat mesa has an area of more than 37,000 square miles. Many naive Round-Earthers will say that this place is so flat, it’s actually impossible to tell that the Earth is round, but you can just go ahead and roll your eyes. To get to the mesa for hiking and scenic drives any time of year, book a vacation rental in Tucumcari, New Mexico, and drive on Interstate 40 toward Amarillo.

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9. Lake Baikal, Russia

Lake Baikal is the largest freshwater lake in the world by volume. During the intense Russian winters, the lake freezes over and creates the kind of flat surface that’s perfect for Flat Earth photographic evidence. Take a car tour across the lake to experience the remarkable view in safety and warmth; the experienced drivers can take you to phenomenal ice structures that glimmer in the cold winter sunshine. Look for vacation rentals in Irkutsk or in one of the many small communities around the massive lake. Just try and find some Wi-Fi, so you can share your photos with your Flat-Earther friends online.

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10. Bonneville Salt Flats, Utah

Like the Salar de Uyuni, the Bonneville Salt Flats feature miles and miles of flat, brilliant white earth. (Is there anything better than a flat expanse of land to prove your point?) Situated about 100 miles west of Salt Lake City, this spot is a popular location for professional photographers. Enjoy the Metaphor: The Tree of Utah sculpture, explore the flats on foot, or head to the Bonneville Speedway to watch racers try to break land speed records. The best time to visit is in the spring or fall, when the temperatures are manageable; stay in nearby Wendover for easy access to the flats.

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