38 58 10.92 N,75 52 0.00 W,Highland Aerosports, Ridgely,
Maryland, USA

The article
here.

Ridgely's Chad Elchin, for instance, has reigned for 11 years as
the record holder for most consecutive loops with a hang glider. On July 16,
2001, at Ridgely's Highland Aerosports flight park, he looped an astonishing
(and undoubtedly dizzying) 95 times, over a span of some 15,000 feet.