Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

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

This historic black and white monastery is one of Bulgaria's architectural jewels.

A vast Communist-era exhibition space in the Bulgarian capital.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A striking symbol of the Bulgarian capital.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

Remnants of cone-shaped fascist bomb shelters in Milan.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

The deepest metro station in the world.

A quirky collection flush with information on commode culture from ancient times to modern day.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

340-foot statue built to honour the Heroes of the Soviet Union.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

This derelict superstructure was a very important warning system for the Soviet military.