Big Well (Kansas)
| Greensburg Well | |
| Former Big Well visitor center before it was destroyed by a tornado in 2007 | |
| Location | 315 South Sycamore, Greensburg, Kansas | 
|---|---|
| Coordinates | 37°36′20″N 99°17′37″W / 37.60556°N 99.29361°W | 
| Area | 1 acre (0.40 ha) | 
| Built | 1887 | 
| Architect | Wheeler, J.W. | 
| NRHP reference No. | 72000507 | 
| Added to NRHP | February 23, 1972 | 
The Big Well is a large historic water well in Greensburg, Kansas, United States. Visitors enter the well for a fee, descending an illuminated stairway to the bottom of the well.