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Best Free Things to Do in Oahu Hawaii
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Outdoors
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USS Arizona Memorial
Tripadvisor
(27.3K)
Memorial · National Monuments
Iolani Palace
Tripadvisor
(8.4K)
Historic places · Architecture
Diamond Head State Monument
Tripadvisor
(24.5K)
Hiking · Viewpoints
Hanauma Bay Tours
Tripadvisor
(1.9K)
Wildlife · Fishing
Bishop Museum
Tripadvisor
(2.9K)
Museums · Art galleries
Pearl Harbor Aviation Museum
Tripadvisor
(2.4K)
Lyon Arboretum
Tripadvisor
(440)
Gardens · Hiking · Parks
Kapiʻolani Regional Park
Tripadvisor
(1.1K)
Parks · Beaches · Waterfront
Ala Moana Beach Park
Tripadvisor
(2K)
Beaches · Parks · Swimming
Honolulu Zoo
Tripadvisor
(2.9K)
Zoo · Wildlife · Kid friendly
Manoa Falls
Tripadvisor
(3.8K)
Hiking · Waterfalls · Swimming
Hālona Blowhole Lookout
Yelp
(303)
Beaches · Coastlines · Wildlife
Waimea Bay
Tripadvisor
(1.3K)
Foster Botanical Garden
Tripadvisor
(559)
Gardens · Historic places
Kailua Beach Park
Tripadvisor
(3.1K)
Beaches · Surfing · Parks
Ho'omaluhia Botanical Garden
Tripadvisor
(468)
Gardens · Lakes · Camping · Parks
Waimea Valley
Tripadvisor
(2.6K)
Gardens · Waterfalls · Forests
Hawaii Army Museum Society
Tripadvisor
(2.1K)
Museums · Kid friendly
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