One of downtown Berlin's last reminders of its Communist past.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

With its webbed walls and bright red coloring, Calgary's iconic bridge looks like a finger trap puzzle stretched across the river.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Alien rock formations grown from the sands of an Australian national park.