Bible stories are brought to life with gloriously cartoonish kitsch in this South American theme park.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

One of only two commuter aerial tramways in the United States.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A crumbling hospital from the 1850s on Roosevelt Island.

Cryptic messages embedded in the New York City sidewalk.

A popular European tradition makes its way to the states on one of America's most famous bridges.

The most confusing clock in New York.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

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

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Tucked in the back of this amazing antique store is an important piece of medical history.

Elevated freight railway turned wildly successful urban park.

Spiral-bound community recipes and antiquarian gems mingle at this small East Village shop.

A hidden "place of interment for gentlemen."

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A terrific purveyor of natural history objects and curios.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.