Legendary pedestrian bridge in the centre of Romanian city Sibiu.

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

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

This is the birthplace of Vlad the Impaler Vlad III Dracul.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

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

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Grand Orthodox cathedral with walls filled with frescoes and icons.

Housed in a historic 1840 home, this museum provides a window into the lives of everyday, 18th- and 19th-century Bulgarians.

Step inside this medieval Orthodox gem and travel back to the 16th century.

This fifth-century church is one of the oldest Christian sites in the Balkans.

A shopping mall housed in a historic cinema and hiding ancient ruins under its floors.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A vast Communist-era exhibition space in the Bulgarian capital.

A striking symbol of the Bulgarian capital.

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

One of the best-preserved medieval streets in Europe.

The best-preserved ancient theater in the world.

Taking the subway here means doing so over a bridge located in the middle of an estuary.