Biscayne Bay

One of those areas is Florida’s Biscayne Bay, a popular spot for fishing and boating that is polluted by urban runoff.

Riders in climate-controlled gondolas glide to 176 feet above the ground, getting views that extend across Biscayne Bay and the downtown Miami skyline.

As she and other instructors row their way along the Charles River in Boston, Biscayne Bay in Miami, or a scenic New Hampshire lake, members work through sessions ranging from high-intensity intervals to more meditative and restorative rows.

The same Swiss firm is designing the new Miami Art Museum, just beginning construction across Biscayne Bay from Miami Beach.

"If Spain win, I'm going to get drunk and ski naked in Biscayne Bay," he told the BBC.

Has its source in the Everglades, and empties into Biscayne Bay.