One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

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

Internationally known record store and purveyor of "dusties."

The subtle science of a master molecular gastronomist.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

This shop for all your super spy needs hides an educational secret.

A beautiful 19th-century Armenian mansion is preserved above an unassuming cafe.

Pizza with a side of fine art.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

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

The former home of a railway legend and the site of a gigantic labyrinth.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

New York City's only preserved family home from the 19th century.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The Avenue of Mausolea is a series of grand palatial tombs.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

Fire meets ice at the southernmost volcano on Earth.

"Purveyors of traditional sweets and vintage treats."

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.