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

According to a gruesome legend, an architect sacrificed his wife to build this spectacular, 16th-century cathedral.

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

This once-derelict building is now one of the most beautiful bookstores in the world.

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

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

Romania's triumphal arch looks out over Bucharest.

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

This sea stack in Cyprus is traditionally seen as the birthplace of the goddess Aphrodite.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

A breathtakingly steep set of stairs is carved directly into the face of the sea cliffs of Bonifacio.

If you dare visit this fort, fire-breathing hyenas might devour your camels.

This saucy statue once caused outrage among locals.

A brick building in Kathmandu's Durbar Square is home to Nepal's most prominent living goddess.

You can still walk across this beautiful medieval bridge in Andorra.

The oldest skyscraper of Europe now stands dwarfed by the surrounding structures.

A medieval village, with red wooden cottages around a stone church, stands as a well-preserved example of a settlement type that was once common in northern Sweden.

The experimental test tracks of a retro-futuristic monorail still stand in the French countryside.

A monument commemorating the 852 lives lost in the sinking of the MS Estonia.

This impressive chasm is one of the longest natural underground cavities in the world.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.