This feat of Brutalist architecture is also known as the Three Sisters.

Housed in a 1912 architectural masterpiece, this outlet of the Golden Arches is a real beauty.

Visit an imposing 13th-century Transylvanian fortress lurking not far from the region's more heavily touristed attractions.

The cutest way to stay safe in traffic.

This lonely minaret with an unusual decorative symbol is all that remains of a historic Ottoman mosque.

One of Bogdan Bogdanović's first spomeniks honors those who died during the People's Liberation Struggle in Macedonia.

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

A monument on the pavement marks the spot where two cultures that shaped Sarajevo come together.

An open-air museum dedicated to tombstones and roadside stone monuments.

A little theme park full of miniature monasteries and churches, made by hand.

The hands on this clock appear to be created by two workers sweeping debris into careful positions.

A set of outdoor stairs named in honor of a famous Austrian artist.

Have tea in a cemetery with a dazzling view of Istanbul.

A statue dedicated to the founders of communism.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

An ancient knight and a symbol of the city's freedom.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

Gargoyle head that brings good luck.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

This memorial to local World War II heroes is slowly being reclaimed by nature.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This statue of a 15th-century Hungarian military and political figure has become known for its resemblance to a particular cartoon knight.

This church also serves as a lighthouse complete with a beacon.