- Largest Reptile: American Alligator
- Highest Sea Cliffs: Moloka'i
- Tallest Cactus: Saguaro
- Largest Glacier: Bering Glacier
- Tallest Dunes: Great Sand Dunes
- Largest Estuary: Chesapeake Bay
- Largest Cliff Dwelling: Cliff Palace
- Deepest Lake: Crater Lake
- Largest Land Mammal: American Bison
- Longest Reef: Off the Florida Keys
- Longest Hiking Trail: Pacific Crest Trail
- Tallest Man-made Monument: Gateway Arch
- Oldest Mountains: Appalachians
- Largest Flower: American Lotus
- Largest Lake: Lake Superior
- Fastest Land Animal: Pronghom
- Oldest Trees: Bristlecone Pines
- Tallest Waterfall: Yosemite Falls
- Largest Desert: Great Basin
- Longest Span: Verrazano-Narrows Bridge
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- Windiest Place: Mount Washington
- Largest Canyon: Grand Canyon
- Largest Frog: American Bullfrog
- Tallest Dam: Oroville Dam
- Fastest Bird: Peregrine Falcon
- Largest Delta: Mississippi River Delta
- Tallest Geyser: Steamboat
- Largest National Bridge: Rainbow Bridge
- Largest Freshwater Fish: White Sturgeon
- Longest Mountain Chain: Rocky Mountains
- Tallest Trees: Coast Redwoods
- Largest Rodent: American Beaver
- Longest River System: Mississippi-Missouri
- Rainiest Spot: Mount Wal'ale'ale
- Most Active Volcano: Kilauea
- Longest Cave: Mammoth Cave
- Loudest Animal: Blue Whale
- Hottest Spot: Death Valley
- Longest Covered Bridge: Cornish-Windsor Bridge
- Largest Plant: Quaking Aspen
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