300 years of pharmaceutical history on display.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

The massive white mound and accompanying water terraces are a striking geological oddity.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

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

Something's watching you.

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

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

Mysterious standing stone formations looks like a petrified forest.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This church was constructed on the site where St. Philip the Apostle preached to the ancient Athenians.

With no menu and no sign, this 130-year-old taverna doles out affordable home cooking.

The partially submerged ruins of a white marble quarry used in ancient Greece for over 1,200 years.

After a catastrophic forest fire, a Greek artist transformed scorched tree trunks outside an old sanatorium into this haunting sculpture garden.

A grotesque collection of wax limbs depicting the symptoms of venereal disease.

Poseidon? No one seems to know.

A large replica of a monumental Roman inscription is located on the side of this museum.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

A huge enchanting public park just outside the ancient walls of Rome.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.