Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

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

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

The plague quarantine island home to the alleged "Vampire of Venice."

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

Venice's "Island of the Mad."

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

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

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

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A surreal museum of extraordinary industrial objects.

A slice of central Asia in the middle of Berlin.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

An eerie, derelict amusement park in Berlin.

Massive galleon from a box-office bomb docked in Genoa.

This peculiar Italian elevator runs both horizontally and vertically.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

An ancient rogue artist community hidden next to one of the world's most glitzy and glamorous cities.

A public urinal so pretty, it was declared a national monument.

This unusual elevator doesn’t stop or slow down.

A beautifully eclectic mix of architectural styles.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.