Electrical curiosity museum housed in an old transformer station.

This sculpture honors the man who was known as the "Righteous Among the Nations."

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

The true meaning behind this sculpture remains unknown.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

Site of the first radio and telephone broadcasting companies in Copenhagen.

Once a meeting point for great thinkers, and the midpoint of the country.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

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.

A fountain standing as a testament to a doomed alliance.

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

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A museum glorifying the life of Stalin, located in the city of his birth.

The secret room where early Bolsheviks cranked out propaganda fliers on a smuggled printing press.

The first skyscraper to include a Ferris wheel built into the facade.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

Underground monastery and fortress.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.