Sheer limestone cliffs featuring caves and rock towers rise up on either side of this 1.8-mile (3-kilometer canyon, which forms a split in what was once a single mountain. The dramatic karst formations, carved over millennia by a rushing river, are now part of a protected nature reserve popular with hikers and climbers.More
Set nearly 400 feet (120 meters) below ground, the Turda Salt Mine (Salina Turda) was excavated for centuries before opening to the public in 1992. The subterranean, salt-encrusted chambers now host a Ferris wheel, mini golf, table tennis, an amphitheater, and a boating lake.More