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

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

The true meaning behind this sculpture remains unknown.

Now in ruins, this castle stood for centuries and saw a number of gruesome events.

A scene from one of Hungary's most famous novels.

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

Now in ruins, this abbey was the home of Tironensian monks for more than 400 years.

This 900-foot structure with 20 arches crossing a Scottish river was built in the late 19th century.

A gap marks the spot where a now-missing stone once completed the circular arrangement at this Neolithic site.

A monument to a Russian cruiser near its final resting place off the Ayrshire Coast.

Near this coastal cave stands a small memorial to the hermit who made it his home for three decades.

A 2,000-year-old Iron Age fort offers stunning ocean views.

On a hill overlooking Loch Trool, a granite boulder marks the site where Robert the Bruce, King of Scotland, defeated an English army.

A 13th-century stronghold that has fallen into ruin.

A square stone tomb marks the spot where six men were killed while holding a service in Caldoris Wood.

Nine hundred years ago, this was the home of a feudal lord. Today all that remains is a steep mound surrounded by a deep moat.

This fortified L-shaped tower is the ancient seat of clan Hannay.

These stones date back to the 3rd or 2nd millennium B.C.

The ruins of a small church belonging to a powerful Scottish family still hold the remains of its patriarch.

Only the headframes remain from this mining operation, once one of the largest in the region.

A vintage fire engine is hidden inside this World War I-era water tower.

This historic castle was already in ruins by the 13th century.

The ruins of a 19th-century corn mill are haunted by a malevolent cave-dwelling spirit.

This moss-covered boulder is said to be part of a diabolical plant to sabotage the Durham Cathedral's foundation.