For nearly 2,000 years this church has been waging war on local snakes by importing cats.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

Rusted structures stand like ghosts of Cyprus' 6,000-year-old copper industry.

This underground transport hub doubles as an art gallery.

The deepest metro station in the world.

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

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

When you've got to go, you've got to go.

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

This attraction was abandoned after the Chernobyl disaster.

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

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

A black cat protests the City Guild in Riga's Old Town.

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Northern Ireland's Brobdingnagian stepping stones.

One part local history, 99 parts gruesome haunted house.

Famously misunderstood wonder of the ancient world

360° views of the city plus five floors of optical illusions and hands-on science.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.