This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

Every inch of this chapel is covered in craftsmanship from across the world.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

This unique museum is home to over 5,000 puppets of all types.

This constantly evolving art space saved an Italian town from its own crippling reputation.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

A naturally beautiful, seemingly bottomless deep blue spring.

Perhaps the most spectacular grotto along the Algarve coastline.

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

After the owner of this Art Nouveau home died, it was turned into a museum displaying a lifetime dedicated to art.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

This piece of early engineering is rather unknown despite its location in the heart of Madrid.

A menagerie of concrete animals brought together from across New York City's parks.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

This permanent exhibition of commercial signs aims to preserve the cultural heritage of the city.

This shrine commemorates the site of the first known Catholic mass in the United States.

Welcome to the home of the world's largest typewriter company.

Paths are maintained, but trees have taken over plots.

Tucked away inside a historic Savannah hotel is a hundred-year history presented in ladies' lids.