Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

Little Red Lighthouse under the George Washington Bridge.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

A semi-scholarly approach to sex.

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

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

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

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

European castle ruins in an American state park are actually the product of death and grief.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

A Kansas grassroots sculptor decorates the local roadways with his sculptures made from found objects.

Massive still life just off the highway in Kansas.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This natural wonder is disappearing at an alarming rate.