One of the world’s longest pedestrian suspension bridges.

This century-old ruined temple was reborn as "The Church of Skate."

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Abandoned waterpark turned counter-culture mecca.

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

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

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.

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

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

Venice's "Island of the Mad."

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

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

This monastery set over a holy cave contains the oldest known painting of Saint Francis of Assisi.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.