Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

A striking symbol of the Bulgarian capital.

Sofia's legislative center is continuously reinventing itself.

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

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

A marvel of Byzantine engineering under the streets of Istanbul.

A fountain standing as a testament to a doomed alliance.

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.

After 97 years of constant vigilance from the dome of the Texas State Capitol, the original Goddess of Liberty retired to a life of climate-controlled leisure.

The world's largest squirrel statue clutches a pecan bigger than your head.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Hans Christian Andersen for the postmodern world.

Old Danish castle immortalized in Shakespeare's Hamlet.

Just off the city’s central station hides a quaint lamp-lit alley into medieval Elsinore.

The shiny silver little brother to Copenhagen's Little Mermaid statue.

Nordic giants resurrected from the sea and restored to their former greatness.

Historic medieval fortified city in southwest France.

A map made up of 32 different materials, representing Ireland's 32 counties.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.