Natural earth mounds formed in the far north.

This elegant arc of a waterfall marks a religious turning point.

These little castles each held thousands of pigeons.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Once an impressive link to Afghanistan’s Buddhist past, now a sad reminder of intolerance towards other cultures.

This abandoned Antarctic base sits nearly unchanged since it was forsaken in the 1950s, just waiting for you to visit.