Step back in time and witness the fall of Constantinople.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

Space-age monument to an early 20th-century uprising.

3,000 market stands in five former Zeppelin hangars.

This one-time health resort was used by aristocrats around the world.

The beautiful baroque library of the Hapsburg empire.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

An ambiguous ambience emanates from this centuries old leprosy quarantine.