Where cemeteries are carved into the side of cliffs and infants are buried in the hollows of trees.

The silly symbol for an underground protest group is now scattered around the city.

A striking public sculpture representing the period of martial law in Communist Poland.

Relive a Polish uprising via an enormous, century-old cyclorama.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Macabre astrological automaton clock dating to the late 1400s.

Hundreds of Buddhas in a re-discovered Indonesian temple.

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

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

It houses the remains of a 17th-century version of the Titanic.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The corpse bride of Portugal.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.