One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The stunning interior of this Gothic church is covered in ornate gold details.

Ancient catacombs form the foundation for this Rococo orgy of a church.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

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

The oldest Roman lighthouse still in use.

This Torino museum honors a soldier who kept the city safe using barrels of exploding gunpowder, losing his life in the process.

This fountain is dedicated to the workers who perished constructing the Fréjus Rail Tunnel.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

Iceland's tribute to its thankless civil servants.

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

This stunning concert hall has become a symbol of Iceland's national recovery.

The largest whale museum in Europe allows visitors to walk among life-size giants.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

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

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

A study of Fascist era Art Deco design in Italy.

Cave shrine on Monte Pellegrino.

Thousands of well-dressed mummies below a monastery.

An abandoned building that once tightened a power line that stretched across Messina Strait.

Climb the dead electric pylons of Messina.