An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Swedish skyscraper with a 90° twist.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Pilgrimage site for star-crossed lovers.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

This saucy statue once caused outrage among locals.

An early 20th-century bullring converted into a modern shopping center.

Op-art architecture designed for happiness.

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.