Kyiv's answer to Muscle Beach is a Soviet-era gym made from scrap metal.

This oddly shaped building is a surprising Soviet-era crematorium.

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

An Art Nouveau building covered in animal gargoyles and grotesques.

The deepest metro station in the world.

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

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

Ancient serpentine sacrifice holder that has stood the test of time.

The most metal church of all time was built in record time because of an international, pious pissing contest.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

This once architecturally advanced housing complex is now a haven for squatters that still bears the scars of war.

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

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

Where commuters walk through remnants of an ancient Greek necropolis.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

A sharp sculpture made of thousands of pieces of jagged glass.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.