Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

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

The beloved home to all publications indie, erotic, and punky.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

A speakeasy takes on Chicago's drinking culture.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

A layered tribute to the work of mosaicist Isaiah Zagar.

Elevated freight railway turned wildly successful urban park.

Abandoned railway line circling the city of Paris.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

France's most famous cemetery, with some of its most curious tombs.

The world's only museum devoted to the wonders of fluorescence.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

An eerie, derelict amusement park in Berlin.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A kaleidoscopic warehouse-maze of handmade neon signs.