Featuring the last fully walkable parapet walkway in Europe.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

This store decorated with Japanese and underground pop culture items has been the centre of Barcelona alternative fashion scenes for more than a decade.

This mansion oasis contains gardens, sculptures, and fountains just off the busy Plaça Kennedy in Sant Gervasi.

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

A temple to modernity, tucked away amid Barcelona's more well known museums.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This semi-secret storybook hedge maze is also the oldest garden in the city.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

An oasis of beauty, tranquility and botanical research in the middle of Rome.

This historic line is a remnant of an ambitious and unconventional project that today provides panoramic views of the Ligurian mountains.

Hike along an abandoned railway up to a popular pilgrimage site.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Though an earthquake destroyed this village in 1980, one former resident still walks its streets every day.

A hidden bas-relief of a hare on a church main portal that brings good luck to the ones who find it.

This brightly-colored chapel is a contemporary jewel standing in the middle of a La Morra vineyard.

A devastating landslide accidentally created this tourist hotspot.

High in the Italian Alps, a lonely chapel with a striking view of the Matterhorn.

Invented in the mid-19th century, this machine could send copied images via telegraph lines.