This cascade of mineral-rich hot springs and waterfalls is an oasis in the Jordanian desert.

The Scottish Reformation leader's grave was paved over and is now a parking lot.

This mundane post marks the old location of the city's main postal hub.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Perched above the bustling town of Kerak is a sprawling, ruinous castle that has witnessed nearly a millennia of Levantine history.

This poignant art installation raises awareness of violence against women.

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

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

The world's most active stratovolcano is almost always erupting.

Built on a medieval synagogue, this church has a burial crypt, tunnel system, and Jewish ritual bath hiding deep underneath.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

This amazingly preserved Doric temple was abandoned before it was ever completed.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Every inch of this chapel is covered in craftsmanship from across the world.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

This Arabesque Italian castle was built with a primitive, if ingenious, air-conditioning system.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Thousands of well-dressed mummies below a monastery.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

Leveled by an earthquake, this Italian village is now preserved as a massive concrete art project.

The pile of books behind the dignified writer gave the statue a most undignified nickname.