According to legend, this boat-shaped henge is built over the grave of a mythic king.

Hungarian mummies in beautiful painted coffins.

Budapest's Communist-era statues, banished to the suburbs.

Museum dedicated to the terror regimes of Hungary.

Structure built from the skulls of vanquished foes.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

This snug medieval lane is one of the narrowest streets in the world.

Romania's triumphal arch looks out over Bucharest.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

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

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This small chapel is built of human bones and decorated with a golden skeleton.

Macabre astrological automaton clock dating to the late 1400s.

A church of bones, decorated with 40,000 human skeletons.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

The largest hewn stone in history.

Marked by the hand of the explorer Henry Morton Stanley.

Named after a legendary garden called Eram in southern Arabia, built by order of Shaddad, an Arab king who wanted to compete with Paradise.

17th century mosque for Shah Abbas' harem.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

The palace of the King of Kings, burned by Alexander the Great.