The Blue Hole
![](https://disappointedtourist.org/wp-content/uploads/2021/01/32CR-1024x768.jpg)
Castalia, Ohio, USA
Closed 1990
Croton Distributing Reservoir
![](https://disappointedtourist.org/wp-content/uploads/2021/01/13CR-1024x768.jpg)
New York, New York, USA
Demolished 1899
Lido
![](https://disappointedtourist.org/wp-content/uploads/2023/12/83CR-1024x768.jpg)
Margate, Kent, England, UK
Closed 1978
Castalia, Ohio, USA
Closed 1990
New York, New York, USA
Demolished 1899
Margate, Kent, England, UK
Closed 1978