Top USA Natural Attractions in 2026

Discover the intriguing world beneath the surface on the Classic Cave Tour at Colossal Cave Mountain Park. This family-friendly tour spans half a mile and takes about 40 minutes, showcasing stunning stalactites, stalagmites, and other unique geological formations. Delve into the cave's rich history filled with legends of train robbers and ghosts while observing the local wildlife. Perfect for families, this tour requires no special gear—just come in comfortable shoes and be ready for an adventure in this captivating underground environment. - Guided tour lasting approximately 55 minutes - Explore fascinating geological formations and learn local legends - Suitable for families; recommended for ages 5 and up - Tours available daily on the hour, year-round, but space is limited.

With a 99% success rate, this is how you up your odds of seeing whales on your visit to Monterey. On board one of the industry’s most comfortable boats, you’ll float out to a protected sanctuary to view humpback whales, gray whales, blue whales, killer whales, sperm whales, and other wild creatures, including dolphins, sea turtles, sea lions, otters, and more.

Explore the stunning Colorado Rockies on an intimate small-group half-day tour led by a local guide. Enjoy scenic drives, short walks at picturesque stops, and breathtaking mountain views. Relax in a comfortable vehicle and experience the tranquility of lesser-known areas. Perfect for connecting with nature and discovering hidden gems.

Pre-book tickets to Lower Antelope Canyon to explore a wonderland of sandstone waves, slots, and whorls. Since tours of the canyon are led by Navajo guides, you’ll get a cultural perspective on the important site. In addition, guides know all the best angles for photographing the canyon in every kind of light conditions, ensuring you bring home the best possible images.

“Just magical. So awestruck and inspired.” Acclaimed artist Christopher Marley transforms nature's wonders—from colorful insects to fossils to sea life—into a stunning, immersive art, nature and science exhibit. It's beautiful, unforgettable, and uniquely curated for wonder. A stunning exhibit of thousands of ethically sourced specimens presented as breathtaking works of art.

Antelope Canyon is on private land within the Navajo Nation and can only be visited on guided tours. This experience grants admission and provides a Navajo-guided walking tour of Canyon X, a lesser-known section of Antelope Canyon known for its ‘X’ shape created by flood erosion and strong winds.

Discover the natural beauty of Lower Antelope Canyon, a slot canyon located in northern Arizona in Lake Powell Navajo Tribal Park. Lower Antelope Canyon is shallower than Upper Antelope Canyon, both of which are part of the Navajo Nation and require a guided tour; advanced reservations are highly recommended to check out this popular spot in Page.

Take an unforgettable boat ride in Monterey Bay to spot local marine wildlife, from humpback whales to Great white sharks to dolphins. This whale-watching adventure takes you to one of the best spots in the state to spot some of these majestic creatures. Sail over Monterey Bay Canyon, which is a nutrient-rich area known for attracting all kinds of underwater wildlife.

Antelope Canyon is a popular destination, featuring one of the most photographed slot canyons in the country. Guarantee your entry at your preferred time slot by booking your entrance ticket and tour in advance. Then follow your Navajo guide around the site, and learn about the local history, cultural context, geological background, and where to take the best photo.

Marvel at the highlights of Arches National Park in just hours without getting footsore with this unique scenic van tour from Moab. Savor unobstructed views of this protected land from the glass-enclosed van—which converts to an open-top, weather permitting—and break up the ride with several short, easy walks to iconic scenic overlooks including Park Avenue Trail. Learn about the park’s landscape and ecosystem from your guide as you explore by van and on foot, combining leisurely drives with short hikes.

Escape the hustle and bustle of the city for the day on this guided tour to Multnomah Falls and the Columbia River Gorge Waterfalls. Travel along the historic Columbia River Highway National Scenic Byway and stop at the magnificent falls of Multnomah, Latourell, and Bridal Veil.

See San Francisco’s most famous waterfront landmarks from the water on a bay cruise that combines iconic views with onboard flexibility. Sail beneath the Golden Gate Bridge, pass Alcatraz Island, and take in panoramic views of the city skyline while listening to stories and insights through an app-based audio guide. With skip-the-line boarding and indoor and outdoor viewing areas, it’s an easy way to experience the bay from a different perspective.

Escape the city for an afternoon exploring some of greater Portland's most scenic falls. Travel along the Columbia River Gorge, home to the largest concentration of waterfalls in the country, stopping at the epic Latourell Falls and Multnomah Falls. Enjoy panoramic views from the Crown Point Vista House and hear about the local legends and natural history of the area from your guide.

Explore the waters off the coast of Hawaii during this private snorkeling excursion from Kailua-Kona. Board an inflatable boat and enjoy easy transportation to Captain Cook's Monument at Kealakekua Bay for around 30 minutes of snorkeling time. View sea caves and lava tubes along the scenic Kona coast and catch sight of dolphins and humpback whales, depending on the season.

Get an unparalleled peek at the astronomical wonders of the Arizona night sky during this nighttime stargazing excursion. Led by professional astronomers, the tour includes an introduction to the solar system using a high-powered laser pointer. Use specialized telescopes to see close-up views of planets, galaxies, star clusters, and nebula.

Eighty feet below the surface in Texas Hill Country lies the Cave Without a Name, an extraordinary underground world of stalactites, stalagmites, soda straws, flowstones, cave drapery, and other terrestrial formations formed over thousands of years. Come early, pack a picnic, and enjoy on-site amenities such as a hiking trail, gift shop, and a gemstone/fossil sluice.

Avoid missing out and experience the beauty of Arizona's Upper Antelope Canyon with a prebooked admission ticket. Alongside a Navajo guide, walk through the narrow canyon and enjoy a kaleidoscope of colors as the sunlight hits the rocks in certain ways. Capture photos of the colorful canyon and learn how water erosion carved it over thousands of years.

You don’t have to venture into the San Juan Islands to see whales in their natural habitat—with this tour, you can board a whale-watching cruise right in downtown Seattle. Spend several hours onboard, looking for whales and learning about the area’s ecosystem from an expert naturalist. Food and beverages are available for purchase onboard.

Located on Navajo Nation land in Arizona, Antelope Canyon is a slot canyon known for its remarkable rock formations and colors, making it a photographer's dream. With this entry ticket to Upper Antelope Canyon, you'll have access, which is only granted to members of the public with a Navajo guide. This portion of the canyon is at ground level, meaning you don't have to climb, so it's suitable for most visitors. Once inside, look up at the beams of sunlight that shine down from the sky. Note, you must arrive 1 hour before your entry time to check in.

The Denver foothills are packed with some of Colorado's best sights, from Red Rocks Amphitheater to Lookout Mountain and scenic Lariat Loop. Throughout this half-day tour from Denver explore the scenic foothills, get panoramic views of the mountain surroundings, and stroll through small, historic towns before stopping in Golden for a coffee or craft beer. It's a quick escape from the big city buzz and a taste of life in the mountains just outside of "Mile High" City.

Discover the natural beauty of Antelope Canyon, without having to hike, on this small-group boat tour and photo excursion. Check out the Glen Canyon Dam, walls of Antelope Canyon, and the cliffs around Wahweap Bay. Your captain takes you to find the best light so you can snap beautiful shots for social media or your own use.

Antelope Canyon is on private land within the Navajo Nation and can be visited only on guided tours. This experience grants admission and provides a small-group guided tour of Upper Antelope Canyon, a narrow slot canyon made of dramatic sandstone walls that’s popular with photographers. Along the way, your guide explains the canyon’s geology, cultural history, and contemporary challenges.

Take an immersive tour of the Upper Antelope Canyon on this tour, led by a member of the Navajo community. Meet your guide at the canyon's office and take a shuttle to the entrance to the canyon for a walking tour that covers everything from the area's geology to its culture and history before returning to your starting point.