Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

The prototype for all Nazi concentration camps.

The fairy tale castle of the "fairy-tale king."

An eerie, derelict amusement park in Berlin.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Where Venice's gondolas go for a tune-up.

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

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

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

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

Venice's "Island of the Mad."

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Alongside a scenic road are the remains of crumbling World War II gun emplacement.

Housed inside a replica church, its collection honors the Black community displaced by the Halifax government.

This Canadian monument to the man who invented the telephone allows visitors to get up close and personal with the artifacts of his life.

Cape Breton landmark filled with recognizable faces.

The profile of one ill-fated deacon was emblazoned forever on this church window during the Halifax explosion.

This tiny abode has been covered in the art of the little old lady who made her life and living there.

A morbid piece of memorabilia from the most famous shipwreck in current history is just one of the many poignant artifacts in this Canadian museum's collection.