An unexpected retreat on wheels heats things up at South Shore Beach in Little Compton. “It’s just euphoria, it’s true bliss, and it’s really healthy for us,” Altaer Sauna Owner Kayla Sibilia said.

The hotelier Sally Henzell helped bring reggae to the world. More than 50 years later, history continues to echo through her houses.

There are, off the more well-trod in the National Park System, lesser-known parks that nevertheless offer some unexpected ...