The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

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

Transmission tower outfitted with large crossbars that dampen wind-induced oscillations.

A huge Soviet-era robotics factory in the outskirts of Prypiat, now long-abandoned.

Marvel at the excessive luxury of the ousted Ukrainian president's former estate.

This hidden fortress has been coined the "City of Ghosts."

The spectacular Roshen Fountain show lights up the night sky all summer long, until it "hibernates" under the ice waiting for spring to come.

This stunning mountain lake was named for a pair of tragic lovers whose statues stand at the center.

Featured in one of the most iconic scenes in cinema history.

This Ukranian fortress is one of the best-preserved medieval castles in Europe.

The dining hall that nourishes workers in Chornobyl's Exclusion Zone is also open to visitors.

The biblical sculpture honors those who lost their lives, homes and communities to the Chernobyl disaster.

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

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

One of the most poignant ruins of the Chornobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This attraction was abandoned after the Chornobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.