Medieval torture techniques with a modern conscience.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Bangkok's men with dangerous jobs come here in search of protective talismans.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

Climb to the top of the world's largest seated bronze Buddha.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Rippling sand dunes frozen in the Arizona rock.

An ancient capital city that dates back 3,000 years and harbors many surprises.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

Lebanese castle built by one man, over a lifetime.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

Monastery complex at the location where bodies of the executed Romanov royal family were discovered.

Church built on the site where the last tsar of Russia and his family were killed.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

This modest marker near Notre Dame identifies the very center of Paris.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The celebrated eyesore created by starry-eyed sweethearts.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

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

A marvel of Byzantine engineering under the streets of Istanbul.

Pilgrimage site for star-crossed lovers.