Buildings become abandoned for many reasons, both before and after they're built. Tall skyscrapers can be especially pricey and remain unfinished.

Humans have spent centuries shaping the world. But nature wouldn’t hesitate to take over if we suddenly disappeared. Cities ...

The monument was abandoned and closed to the public in 1989, (sadly) preventing sneaky explorers from venturing in to gaze at the otherworldly dome.

Eastern State Penitentiary's historic status, creepy aura, and unique experiences helped to make it, according to Travel + Leisure, the "most popular abandoned building in the world." The ...