Turntable anonymously received orphans, alms, and groceries.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

This living legend of maritime history is enjoying a second life.

This artificial archipelago was supposed to resemble a map of the world.

The tiny church offers succor to travelers driving by, but only eight at a time.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

The first and only carousel with a lineup entirely of insects.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

A celebration of capitalism in Midtown.

New York City's smallest piece of private property.

A hands-on traveling collection of the innovative devices of yesteryear.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A wall of chewing gum moonlights as collective art.

A house filled to the brim with oddities and curiosities.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

A bronze sculpture of a monkey sits outside this factory, which has made an anise-flavored liqueur for over 150 years.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Also known as "Robin Hood's tree," this tree became a famed location along Hadrian's Wall before it was cut down in an act of vandalism.

This eclectic Austin curiosity shop is home to all things strange and unusual.

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

DIY collection of eclectic holdings.

This unassuming North Austin neighborhood was built to test the novel idea of home air conditioning.