
The hangar at Baikonour, which housed airframe OK-1K1 - the Buran.

Airframe OK-ML1 - a static test vehicle - in outdoor storage at Baikonour.

Airframe OK-TVA, static test vehicle; now a tourist attraction in Gorky Park
Second generation airframes:
OK-1K2 - Unofficially named "Baikal": Scheduled to be put on display in the Sinsheim Auto & Technik Museum, Germany.
link
OK-2K2 - partially completed, then scrapped...
OK-3K2 - partially completed, then scrapped...
Excellent site with status of each orbiter and each test vehicle:
link