Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This statue points to another unusual companion work of art often overlooked by visitors.

A sculpture of the beloved author surrounded by characters from his fairy tales.

No one knows the origin of this creepy little stone man with an oversized phallus.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Only open for two days a year, this church links ancient Greek and modern Christian celebrations.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

Where commuters walk through remnants of an ancient Greek necropolis.

These ancient ruins hide in plain sight next to a dessert shop.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

An ancient octagonal weather station named for the eight Greek gods of wind.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The final resting place for the remains of 143 Habsburg royalty.

This museum is dedicated to the little known ancient Roman history of Vienna.

Museum devoted to the artificial language of Esperanto.

Baroque celebration of the end of the Great Plague of Vienna.

Handsomely crafted representations of our round planet.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

The beautiful baroque library of the Hapsburg empire.