Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The middle finger of modernity.

A medieval weapon rumored to have been used by the brilliant poet himself.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

More than a million titles fill the labyrinthine shelves of this prestigious private library.

This coffee shop lies hidden beneath a historic church.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Shop at the 200-year-old store where Julia Child stocked up on copper cookware.

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

This demon atop the Notre-Dame de Paris looks utterly bored.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Georgia’s last drive-in movie theater is a relic of a bygone era.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

An underground magnet for ever-changing street art.

Atlanta's strange assortment of concrete pillars inspires reflection in some, confusion in others.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

A late-night restaurant empire was launched from this humble storefront.