Places Luki Wants to Go

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

One of Europe's largest supercomputers is housed inside of a disused chapel.

Turntable anonymously received orphans, alms, and groceries.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

This cemetery features modernist statues as strange as its name.

A beautiful but toxic fountain of mercury.

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

An unfinished complex built for children from around the world sits abandoned on the Black Sea coastline.

Massive, unfinished broadcasting station stands as a monument to the fall of communism.

In a long-dry lake bed, these groups of massive stone pillars bear a striking resemblance to clumps of everyone's favorite fungi.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

A spectacular Bulgarian cave resembling a devil's head with a waterfall rushing down its throat.

This massive stone and steel monument remembers a century-old battle that cost thousands of lives and nearly destroyed the city.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

Ruins of an early Roman Christian church dating back to the 4th to 5th centuries.

An homage to the medieval rulers of Bulgaria.

The site of many battles and tragedies, including the 40 maidens who leapt into the sea.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

A collection of art from Bulgaria's time as a communist state.

An ancient Thracian city where fire rituals were practiced on the largest cult altar in Southeast Europe.