A patchwork of ruins from various civilizations in one of the world's oldest continually inhabited cities.

This modernist cinema has survived war and reconstruction to become a symbol of Lebanon’s revolutionary spirit.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

The largest hewn stone in history.

Beirut's thinnest building was the result of feuding brothers.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

The relics of dozens of martyrs are stored in a single chapel.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

This medieval city gate is now a blend of the past and the modern world.

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

An eerie, little-known Neapolitan museum filled with preserved human remains.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

The oldest Marian image in the Canary Islands still impresses people nearly half a millennium later.

These old towers extract salt from the sea.

You can soak in three relaxing pools filled daily by the tide.

These wooden balconies that are both decorative and functional.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

The four landings commemorate a royal visit to Europe's biggest observatory.

This mountaintop observatory is home to one of the world's largest reflective telescopes.

Indigenous cultures believed all life would end if this enormous rock toppled.

Tour the inside of a massive lava tube formed during a 1949 volcanic eruption.

The largest salt farm in the Canary Islands is located at the foot of an active volcano.

Rumors and legends of secret Nazi activities surround this eerily remote island mansion.