A naturally beautiful, seemingly bottomless deep blue spring.

Climb into Albania's communist history while enjoying a spectacular ocean view.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

In this town's main square resides a statue of none other than the 43rd President of the United States.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A quirky statue in Bermondsey made by 100 public participants with goggles, chisels, and mallets.

A place of remembrance for the Prime Minister that met a violent end.

An archway adorned with vulnerable flora and fauna.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

As can be expected from a centuries-old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Venice's island of the dead.

Sleep in the hay, spin the wheel and eat grain pellets to your heart's delight.

Home to the "Rat King" of Nantes and other wonders of the natural world.

A massively oversized measuring tape sculpture sits inside a hidden yard.