My criteria for natural wonder:

• A site or monument that was not created or significantly altered by humans
• Feels particularly accomplished to discover it
• Makes me say "wow" and want to revisit again
• Can not be one of the official 7 Natural Wonders

My personal natural wonders:

1. Half Dome | Yosemite National Park, CA
2. Galapagos Islands | Ecuador
3. Cenote Calavera | Tulum, Mexico
4. Delicate Arch | Arches National Park, UT
5. TBD
6. TBD
7. ​TBD

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