Famously misunderstood wonder of the ancient world

A museum marks and documents the site of the Titanic's launch.

Certain traditions prevail on the least-visited island of the Aran Islands.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

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

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

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

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The remains of Crystal Palace Great Exhibition of 1851.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The anatomical-pathological collection of a man who changed surgery.

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

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

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

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

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

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

A marvel of Byzantine engineering under the streets of Istanbul.

Picnic on the seashore in the footsteps of ancient kings, protected by giant mythical cat beasts.