A giant sculpture head with an optical illusion dedicated to the longtime conductor of the Boston Pops.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

A fearsome dragon clings to a corner of Munich's city hall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

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

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

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

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

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

One of the largest public collection of historic armored and military vehicles in North America.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Over a million items cram the shelves at Africa's largest shop of used and rare books.

Over 60 species of birds inhabit this colorful aviary park in South Africa.

Caves that can't seem to quit producing the remains of prehistoric humans.

The tallest residential building in Africa is an unsettling Brutalist monolith.

A growing popular hipster market with over 100 local specialties and live music.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

The oldest liquor store in the country is a model of resilience and mischief.

This general store near Boston was once owned by Henry Ford, who had it relocated to a different town using a team of oxen.