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

This historic hotel invented the chocolate brownie.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

This mysterious tower is said to enshrine a dormant seven-headed serpent that once protected Vientiane from destruction.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

An enormous and lavish Gothic church in Czechia.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Drink wine handed out through a window as part of an age-old tradition.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

This is probably not the Target you're looking for.

Once called the Jersey Lilly, this former saloon was the domain of infamous Judge Roy Bean.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

A Prada store in the West Texas desert that is never open for business.