A layered tribute to the work of mosaicist Isaiah Zagar.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An artist's cute bronze subway sculptures belie his violent artistic past.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

Avoid gangster interaction while window-shopping.

A terrific purveyor of natural history objects and curios.

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

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

Mysterious rocks that ring musically when struck.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Local lore claims this park is named after a young woman who jumped off a cliff.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.