In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

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

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

An ancient iron pillar in Delhi that seems to be rustproof.

The world's second-largest sundial, made entirely out of stone.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Elaborate tile work in this railway station tells the story of Portugal.

A hidden three-foot-wide house separates these two regal churches.

The stunning interior of this Gothic church is covered in ornate gold details.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Walls of stone rise up from sinkholes caused by underwater erosion.

Cliffside houses provide a spectacular view from their perch above the valley.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This lucky bronze frog was gifted to Madrid by a casino.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

Roman-era ships unearthed...

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.