The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

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

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The last Victorian market in Belfast.

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

An Irish cemetery filled with victims of political strife and violent conflict, including the grave of Bobby Sands.

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

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

This Elizabethan hedge maze is one of only six in North America.

Ruins of a German Castle on top of a towering stone pillar.

A slice of central Asia in the middle of Berlin.

This holy goods emporium is where priests go for a little retail therapy to outfit their churches.

A trailblazing sovereign nation tucked in the American state of Wisconsin.

This striking art museum holds an amazing series of curiosity cabinets.

A Museum of Holography frozen in 1974.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

All of Chicago's wood-paved streets are long gone but two alleys remain.

A hollow cement depiction of time's inexorable effect on the human body.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

Step back in time and witness the fall of Constantinople.

Claude Monet was baptized in this lavishly ornate Paris church.