• Teatown Lake - Lakeside Loop Trail

    Teatown Lake Reservation – Big Loop Hike

    0 standard
  • McAndrews Estate – Oscawana Park

    0 standard
  • mansion foundation

    Rockwood Hall State Park

    0 standard
  • weir chamber - OCA - Van Cortlandt Park

    Old Croton Aqueduct Trail – Yonkers to Bronx

    1 standard
  • stone arch bridge

    Old Croton Aqueduct Trail – Dobbs Ferry to Yonkers

    3 standard
  • ventilator shaft 13

    Old Croton Aqueduct Trail – Sleepy Hollow to Dobbs Ferry

    2 standard
  • looking north

    Old Croton Aqueduct – Ossining Weir Chamber

    0 standard
  • ventilator shaft number 9

    Old Croton Aqueduct Trail – Ossining Weir to Sleepy Hollow

    0 standard
  • stone ventilator

    Old Croton Aqueduct Trail – Croton Gorge Park to Sing Sing Kill Greenway

    1 standard
  • walled gate

    Lenoir Preserve – Old Croton Aqueduct

    0 standard
  • Beltzhoover Teahouse

    Beltzhoover Teahouse at Halsey Pond Park

    0 standard
  • facing north

    Untermyer Park and Gardens

    0 standard
  • Leon Levy Preserve – Black Mansion Ruins

    1 standard
  • Sing Sing Kill Greenway

    0 standard