This small bronze pyramid marks the center of Belgrade, but some say it is a Masonic symbol.

This striking, historic hotel has major Wes Anderson movie energy.

Memorial to the victims of the Holocaust in Serbia.

Arguably Belgrade's only example of pure Art Deco architecture.

A retro Yugoslav congress, cultural, and business hall built in the 1970s, with an iconic world clock.

A Serbian church lit by chandeliers made of weapons.

A misnamed well, with a deep dark past.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Two buildings named after their windows that make it look like a sea of television sets plastered to a wall.

A pair of connected skyscrapers form this symbolic gateway.

Considered an architectural abomination by some, this metal-clad building is known as 'little red riding hood' by locals.

A small memorial to a deadly night in Serbia that shook the world before it was swept under the rug.

An Art Deco Icarus statue adorns this abandoned gem of Yugoslav Modernist architecture.

Different sections of the Zemun Fortress were built in the 14th and 15th century as a response to the advance of the Ottoman Empire.

Structure built from the skulls of vanquished foes.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

A bronze sculpture honoring a famous Serbian writer and a character from his novel.

Two distorted Romanesque columns hold aloft a mine cart in honor of laborers who died during WWII.

The site where the leader of the Kosovo Liberation Army was killed is now a memorial.

A UNESCO-protected spiritual seat of the Old Serbian Kingdom and Empire.

A monastery considered a state-protected cultural monument of exceptional importance, founded in the 14th century by Serbian King Stefan Dečanski.

A 14th-century Serbian Orthodox church that was once converted into a mosque under the much-disfavored Ottoman Empire.

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