A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

The curious underground history of keeping Paris clean.

This bridge was constructed from the rubble of the infamous Bastille.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This enormous censer uses a pulley system installed over 400 years ago.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This ancient theater was once the home of fierce gladiatorial battles.

The hallucinogenic center of the ancient world.

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

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

Legend says this sacred tree was a gift from goddess Athena.

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

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This flagpole ranks among the world’s tallest and can be seen from three countries.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

An ancient capital city that dates back 3,000 years and harbors many surprises.