Alaska truly is the last frontier. Its wildlife is as vast as its land, and its sealife is equally incredible. To get a closer look at many of these creatures, the Alaska SeaLife Center in Seward offers an excellent opportunity.

The only public aquarium in the state, the center combines regional exhibits with marine research, education, and wildlife rehabilitation. At this unique facility, visitors can observe regional birds in the aviary, view an undersea kelp forest, or watch seals and Steller sea lions at play in the Rocky Coast exhibit.

Image: David Clode

The National Aquarium in Baltimore is home to a wide range of exhibits, from an Amazon River forest to an Atlantic coral reef and more. Visitors can encounter an incredible array of creatures, enjoy interactive experiences, watch 4D films, and even participate in aquarium sleepovers.

Aside from its exhibitions, the National Aquarium's conservation work is geared toward combating climate change, protecting wildlife and their habitats, and reducing plastic pollution. Recent visitors have also raved about the dolphin show.

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The Shedd Aquarium in Chicago gives visitors an up-close view of a variety of aquatic animals, including jellyfish, seahorses, and giant Pacific octopuses. The aquarium offers animal encounter experiences with beluga whales, sharks, penguins, stingrays, and sea otters.

There are also plenty of exhibits to explore. Pacific white-sided dolphins, belugas, California sea lions, and sea otters can be observed from both underwater and above-water viewing areas. The Polar Play Zone allows children to learn about life at the North and South poles in a kid-sized submarine, feeling the texture of a starfish in the touch pool, and admiring the underwater viewing area.

Image: Caroline Hernandez

The Tennessee Aquarium is divided into two separate buildings for freshwater and ocean exhibits, showcasing thousands of animals, including the macaroni penguin, sand tiger shark, alligator snapping turtle, hellbender, and giant Japanese spider crab.

The River Journey building features the Turtles of the World gallery, an Appalachian cove forest habitat, the River Giants exhibit, and more. In Ocean Journey, visitors will find a butterfly garden, a tropical cove habitat, and the Boneless Beauties exhibit, among other highlights.

Image: Shane Rounce

Aquatic life in Puget Sound can be witnessed through the Seattle Aquarium's one-of-a-kind, 360-degree Underwater Dome, which displays local fish in a 400,000-gallon habitat. Set on two historic piers, the aquarium educates visitors about Puget Sound and the ocean at large through exhibits, events, conservation and education programs, research activities, and more.

At the Family Activity Center, guests of all ages can participate in hands-on activities to learn about the majestic orcas of the Pacific Northwest. The aquarium's species recovery program works to save animals from extinction through research, field conservation, and more.

Image: Craig Lovelidge

The Aquarium of the Pacific, in Long Beach, California, features habitats from the tropical Pacific Ocean, northern Pacific waters, and the Southern California/Baja region. As Southern California's largest aquarium, it houses more than 12,000 animals across 100-plus exhibits highlighting aquatic life in the Pacific Ocean.

The state-of-the-art Pacific Visions wing offers guests an interactive experience through film, art, and technology. Visitors can see what it's like to be an aquatic vet at the Molina Animal Care Center, and then learn about water sources and conservation at the Our Water Future exhibit.

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The New England Aquarium features an open-air exhibit space for seal and sea lion training, the four-story Giant Ocean Tank, an Indo-Pacific coral reef habitat, an exhibit spotlighting Atlantic harbor seals, and the Simons Theatre with its nearly five-story-tall movie screen.

Aside from the indoor and outdoor exhibits, the aquarium's research division conducts ocean exploration and conservation through a plethora of initiatives like saving sea turtles and protecting North Atlantic right whales.

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An aquarium is probably not the first thing that comes to one’s mind when thinking about Las Vegas, but the Shark Reef Aquarium is well worth a visit. With more than 2,000 animals, it features jellyfish, sharks, sea turtles, and even crocodiles.

Guests can feed stingrays, sea turtles, or even a zebra shark, or try out the Undersea Explorer VR Theater for an immersive digital experience.

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Visitors can find more than 120 animal species at the Aquarium of Niagara, including many rescues that are unable to survive in the wild. The Penguin Coast exhibit is home to a colony of 14 Humboldt penguins, and the aquarium showcases over 100 species of fish and invertebrates from both freshwater and saltwater ecosystems, as well as several species of seals and sea lions.

In the summer of 2024, the aquarium unveiled the Great Lakes 360 experience with an interactive sturgeon touch pool and 16 new exhibits highlighting animals from the Great Lakes and Niagara River ecosystems.

Image: Shaun Low

At the enormous Georgia Aquarium, visitors can get close to rays, dolphins, sea lions, penguins, and sea otters, or even go behind the scenes at a dolphin training session. The aquarium focuses on conservation education and fostering positive connections between humans and animals.

The Ocean Voyager exhibit features a 100-foot-long underwater walk-through tunnel that displays more than 50 species.

Image: David Clode