A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

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

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A faithful reproduction of Al-Jazari's enormous water clock.

A geological oddity topped with a 2,000-year-old pagan temple.