SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM 8-K


                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

 Date of Report (Date of earliest event reported): July 28, 2000 (July 19, 2000)

                           AMERICAN TOWER CORPORATION
             (Exact name of registrant as specified in its charter)

       Delaware                         001-14195             65-0723837
(State or Other Jurisdiction          (Commission           (IRS Employer
   of Incorporation)                  File Number)          Identification No.)




         116 Huntington Avenue
         Boston, Massachusetts                             02116
 (Address of Principal Executive Offices)               (Zip Code)




                                 (617) 375-7500
              (Registrant's telephone number, including area code)


Item 2.  Acquisition or Disposition of Assets.

The  following   information  serves  to  update  the  status  of  the  AirTouch
transaction as previously  disclosed in the Current Reports on Form 8-K filed by
American Tower  Corporation (the "Company") on January 31, 2000, March 14, 2000,
May 23, 2000 and June 23, 2000.

On July 19, 2000, the Company  leased 178 additional  towers and paid total cash
consideration of approximately $67.8 million under the terms of the Agreement to
Sublease, dated as of August 6, 1999 by and among AirTouch Communications, Inc.,
the other parties named therein as sublessors,  the Company and American  Tower,
L.P.  ("ATLP").  The Company  financed the  transaction  with  proceeds from the
offering of its securities  described in its Current Report of Form 8-K filed on
June 29, 2000.

Item 7.  Financial Statements, Pro Forma Financial Information and Exhibits.

         (c)  Exhibits.

               Exhibit 10.1   Agreement to Sublease,  dated as of August 6, 1999
                              by and among AirTouch Communications, Inc., the
                              other parties named therein as sublessors, the
                              Company and ATLP.*


*   Filed as Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q for
    the quarter ended June 30, 1999.






                                   SIGNATURES


         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  Registrant  has duly  caused  this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                             AMERICAN TOWER CORPORATION
                             (Registrant)


Date: July 28, 2000          By: /s/  Justin  D. Benincasa
                                 Name: Justin D. Benincasa
                                 Title: Vice President and Corporate Controller