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

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

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

Pilgrimage site for star-crossed lovers.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The middle finger of modernity.

Two stone columns flank the grand Venice square, but there were supposed to be three.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

This influential Renaissance-era library was once the haunt of kings and monks.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

This beautiful spit of land was once the summer playground of the king of Spain.

A historic Christian shrine nestled within a spectacular natural cave.

The atmospheric ruins of a historic church can be found on a hill above the city of Oviedo.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

The magnificent sanctuary is Spain's first purpose-built structure of its kind.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

This small museum tucked within a subway station holds pieces from Madrid's past.

Mysterious standing stone formations looks like a petrified forest.

An old, deep well, connected with a miraculous, divine rescue and the patron saint of Madrid.