Physicist’s epitaph provides final confirmation to a career of turmoil.

Op-art architecture designed for happiness.

A museum preserving one company’s history of preserving food.

The Netherlands' first car tunnel has an unusually rectangular shape.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Become a prohibition rebel.

A hip bar decorated with walls of golden skulls.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

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

Elevated freight railway turned wildly successful urban park.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

This magnificent mural was created with over 30,000 colored bricks.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

Largest collection of mounted dinosaur specimens in the world.