This unreal Portuguese palace looks as though it's made from a pile of different castles.

A unique seaside cave where Aleister Crowley faked his own death.

An ancient necropolis of magnificent tombs.

Op-art architecture designed for happiness.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Pilgrimage site for star-crossed lovers.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

Drink wine handed out through a window as part of an age-old tradition.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

The oldest operating pharmacy in the world features 800-year-old recipes.

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

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

The only museum with its curator—and her pets—buried inside.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

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

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

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

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

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

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.