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

Marked by the hand of the explorer Henry Morton Stanley.

The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

A historic trade hub teeming with gorgeous architecture, colorful goods, and vibrant designs.

The cathedral stands in New Jufa, Isfahan's Armenian quarter that was established in 1606.

17th century mosque for Shah Abbas' harem.

This 17th-century structure is a beautiful testimony to traditional Persian architecture

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

The fire inside this temple has burned for more than 1,500 years.

Long before air conditioning, Persian architects found an ingenious way to cool off.

Amazing vistas await visitors to this stretch of coastline.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

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

These engineering masterpieces are a dominant feature of the Belfast skyline.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

Robotic car thieves, freakish animals and huge neon floats in Northern Ireland's capital.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

A massive Celtic cross secretly growing in an Irish forest.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

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