This enormous abandoned prison was once dubbed the "Bastille of Romania."

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

Romania's triumphal arch looks out over Bucharest.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

The second oldest continuously operating bar in Louisiana.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Abandoned Japanese ghost town gives a glimpse into what our own metropolises may leave behind.