The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

Qatar's oldest market can trace its origins back more than a century.

Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

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

This unique Lady Liberty is one of the only examples of the figure sitting down.

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

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

The deepest metro station in the world.

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

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 Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

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.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Norway's oldest cathedral still in use.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.