Places robertovaldestena Wants to Go

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

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

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

One of the world’s only pink lakes where it's possible to take a dip.

This fifth-century church is one of the oldest Christian sites in the Balkans.

A massive cave once a secret military base is now home to thousands of bats.

One of the largest mines in Bulgaria is now home to a vast museum more than 100 feet underground.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

The second-largest Jewish temple in Bulgaria was deserted after World War II, seized by the communist government and then abandoned again.

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

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

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

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

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

A silent forest in Latvia bears witness to a massacre.

A WWII museum that tries to reenact history.

This interactive museum celebrates the iconic arcade game.

This ex-prison dates back to the Middle Ages.

Once home to some 250,000 volumes and priceless art artifacts, this Polish estate was a target of bombing during World War II.

The two abandoned overpasses are among the largest bridges in Poland.

This Polish cave has housed a dragon, a brothel, and an enduring legend.