An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

A nearly abandoned Jewish settlement perched atop a hill in the heart of Yemen.

The tallest minaret in Yemen is 150 feet high and entirely made of mud.

These gnarly desert trees produce the prized aromatic resin traded along the ancient incense trail.

This spectacular mosque houses the second-largest chandelier in the world.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Largest lake in Great Britain measured by surface area.

This bazaar is one of the oldest in the Arabian world.

Where artisans use centuries-old techniques to build traditional Arabian ships.

This lonely tomb is all that remains of a once-bustling ancient trade hub visited by Marco Polo.

This ruined 15th-century hermitage is steeped in myth and mystery.

One of Western Africa's oldest mosques, this Timbuktu icon has stood for nearly 700 years.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

This Arcadian garden in the Pentland Hills boasts over 270 artworks by Scottish artist and poet, Ian Hamilton Finlay.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

The oldest surviving glass furnace cone in Western Europe.