 
   
  W. W. Mayo House
      Where innovation took root
This hand-built house held Dr. W. W. Mayo’s first medical practice, witnessed events of the US-Dakota War of 1862, and eventually served as the family home for another giant of Minnesota history — the Cosgrove family of the Green Giant Company.
The Mayo House is managed by the Ney Nature Center.
Hours
| Day | Hours | 
|---|---|
| Monday | |
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Admission
| Cost | |
|---|---|
| Adult | $6 | 
| Seniors ages 65+, Veterans, Active military*, College students | $5 | 
| Children ages 5–17 | $4 | 
| Children age 4 and under | Free | 
| MNHS members and Ney Nature Center members | Free | 
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