Pools

Once a spa resort, then a tuberculosis sanatorium, and now a crumbling ruin.

Despite the name, these small saltwater swimming pools have nothing to do with the Romans.

A former Victorian swimming pool is now a tranquil and secluded park.

This saltwater swimming pool, which is the last of its kind in the United States, is slowly crumbling within sight of multiple high-end beachside hotels.

A former travertine mine traces the geological history of this unique desert filled with crystalline blue pools.

This post-war motel embodies a little-known, Miami-born architectural style.

Take a dip in the world's largest mineral hot springs pool.

Sharks, stingrays, and turtles swim in the pools at this former elementary school.

The only public swimming pool in Baltimore open to Black Americans during segregation is now a permanent memorial art exhibit.

This Scottish bay still reveals evidence of its days as a seaside swimming pool.

Deep below the dry landscape of Bahia, a cave with intense blue water to float in.