If you are an adventurer, Devils Tower, Bighorn Canyon, Yellowstone National Park, and Grand Teton National Park deliver the perfect mix of epic landscapes and wildlife viewing.

The park of Yellowstone, renowned for its spectacular thermal springs, should be your top priority. With the renowned Old Faithful geyser, which erupts almost regularly, draws tourists from around the world.

Next on the list is the striking park of Grand Teton. Noted for its beautiful range of mountains, sparkling lakes, and diverse wildlife, it's a paradise for hiking and wildlife lovers.

Devils Tower, the first National Monument in the US, is indeed a marvel. The fascinating structure, standing over 800 feet from its base, features a unique climb for rock climbers and a stunning vista for photographers.

Lastly, there's the mesmerizing canyon of Bighorn, running here through two states and possesses a vibrant ecosystem. The deep blue waters of the canyon, paired with its stunning high cliffs, create a breathtaking backdrop for water-based activities while kayaking or angling.

In conclusion, a trip to Devils Tower, Bighorn Canyon, Yellowstone National Park, and Grand Teton National Park promises to be a remarkable experience for outdoor lovers who enjoy majestic sceneries and unparalleled wildlife.