This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

Hungarian mummies in beautiful painted coffins.

A forgotten graveyard lost in the tangles of an overgrown garden.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This hidden art nouveau gem was designed by an architect in search of a national style.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

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

A museum in the childhood house of a medical pioneer.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

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

A gorgeous stone viaduct crosses over a bucolic valley.

Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

This enormous abandoned prison was once dubbed the "Bastille of Romania."

A Romanian church built from one single oak.

This bone-filled cave got its name after they found 140 bear skeletons inside.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

A mysterious tunnel hidden in the shadows of a colorful, historic sanctuary.

"Holy Wisdom" overlooks the city that became its namesake.

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

The second-largest Jewish temple in Bulgaria was deserted after World War II, seized by the communist government and then abandoned again.

A striking symbol of the Bulgarian capital.