This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

The largest earthwork effigy in the world.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.