GoatMan Hollow
- Haunted house. Contains directions, schedule, and guide to the attraction.
- http://www.goatmanhollow.com/

Wildercroft Church of Christ
- Find a service description, calendar of events, and articles.
- http://www.wildercroftchurchofchrist.org/

Refreshing Spring Church of God in Christ
- Includes statement of faith, founder history, announcements, and ministry information.
- http://www.rscogic.org/

Riversdale House Museum
- History, visitor information and rental details.
- http://www.pgparks.com/places/eleganthistoric/riversdale_history.html

Wikipedia: Riverdale Park, Maryland
- Free encyclopedia with geography, demographics and history.
- http://en.wikipedia.org/wiki/Riverdale_Park%2C_Maryland

St. John Evangelical Lutheran Church
- ELCA. Includes worship schedule, list of fellowship, community action, and educational programs, and locator map.
- http://rjgerman.home.comcast.net/sj/index.html

Solid Rock Church
- Affiliated with Sovereign Grace Ministries. Includes statement of beliefs, goals for church members and list of home-meeting groups.
- http://solidrockchurch.net/