Watch river otters swim circles around each other at Maymont’s $21 million, 25,000-square-foot Nature and Visitor Center in Richmond. A 20-foot waterfall and 13 huge aquariums holding otters, fish and turtles help tell the story of life within Virginia’s rivers. Maymont, a 100-acre Victorian country estate famous for its elegance, gardens, native Virginia wildlife exhibits, Children’s Farm and Carriage Collection, overlooks the James River.