This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This small chapel holds the mummified heart of one of the heroes of the Greek Revolution.

An ancient octagonal weather station named for the eight Greek gods of wind.

One of Manchester’s museums has gathered and preserved British political paraphernalia covering over 200 years.

One of the oldest Rolls-Royce automobiles in existence, this vehicle was once driven by Henry Royce himself.

This building has two facades of clashing architectural designs.

When the city of Manchester built a new centralized heating network, they did it with style.

An enormous illuminated figure dances on the Las Vegas strip.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

A statue built to honor the elite soldiers who fought for Latvia during World War I.

This London plaque marks the spot where David Bowie's famous alien made his debut.

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

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

Ship-sized kinetic sculptural fantasy.

This bronze statue was dedicated to a 1966 Beatles hit.

A unique sculpture park that features the works of several famed artists.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

Soon after its unveiling, this giant inverted globe sparked controversy and was vandalized.

Once used to protect important Roman trade routes.

This bronze sculpture represents the helpless, hapless, and the damned who have passed through Piccadilly station since it opened in 1842

A monument to the real explorer and bear who inspired characters in Philip Pullman's 'His Dark Materials.'

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

A tiny, heartwarming piece of art hiding in plain sight.