City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Once a flowing stream and where the USS Monitor, the world's first ironclad, was built and launched.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

A modern zoetrope on the New York City subway.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

There is a mouldering Jewish cemetery hidden away in the capital of Moldova.

A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

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

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

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

A monument to Lenin has been transformed into a statue of everyone's favorite black-helmeted, fool-choking Sith Lord.

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

The largest catacomb system in the world.

This attraction was abandoned after the Chernobyl disaster.

The medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

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.

The deepest metro station in the world.

An Art Nouveau building covered in animal gargoyles and grotesques.