The National Aquarium was established in 1873 in Woods Hole, Massachusetts under the auspices of the Federal Fish Commission. It moved to the Washington Monument in 1878 and consisted of holding ponds known as "Babcock Lakes." During the 1880s, the aquarium consisted...

We are a 163-acre zoological park set amid Rock Creek Park in the heart of Washington, D.C. Open to the public 364 days a year, we are home to 2,000 individual animals of nearly 400 different species. We are a place where people can marvel at wonderful animals, learn...

The National Aquarium in Baltimore is a public aquarium located in Baltimore, Maryland, USA. It was opened in 1981 and was constructed during Baltimore's urban renewal period. The aquarium has an annual attendance of 1.5 million (2009) to see its collection of 16,500...

The Maryland Zoo in Baltimore is a zoo located in Druid Hill Park in Baltimore, Maryland. Home to over 2,000 animals, the zoo is generally considered to be the third oldest zoological park in the United States, having opened in 1876. In 2004, the zoo was struck by...

The Salisbury Zoological Park, commonly referred to as the Salisbury Zoo, is a 12-acre (4.9 ha) zoo located on the Delmarva Peninsula in the Salisbury, Maryland city park. Its collection of over 110 animals includes American alligators, flamingos, North American...

ZooAmerica North American Wildlife Park is an 11-acre, year-round zoo featuring over 200 native North American animals, many of which are very active during the winter months!

Brandywine Zoo is a small 12-acre (4.9 ha) zoo that opened in 1905 in Brandywine Park in Wilmington, Delaware, USA. It consists of the main zoo as well as a separate Exotic Animal House for small animals from hotter climates.

The Cape May County Park & Zoo in Cape May Court House, New Jersey provides free year-round admission to a collection of over 550 animals representing 250 species in 85 acres (34 ha) of exhibits. The zoo began operation in 1978.

The Philadelphia Zoo, located in Philadelphia, Pennsylvania, on the west bank of the Schuylkill River, was the first zoo in the United States. The zoo is 42 acres (170,000 m2) and is home to more than 1,300 animals, many of which are rare and endangered. The zoo...

The Elmwood Park Zoo is a zoo in Norristown, Pennsylvania that houses a collection of over 300 animals representing 100 species. Opened on July 4, 1924, the 16-acre (6.5 ha) zoo includes the Andrew L. Lewis Wetlands Aviary, The Bayou, and the Grasslands Exhibit.