An 80-year-old house built out of newspapers.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

A lighthouse on a diminutive island was one of the first of its kind to guide seamen home.

A historic bridge with a lovely acoustic anomaly.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

The world's largest piece of copyrighted artwork.

Radical Bookstore and Community Space.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

One of America's most historic homes also holds a startling literary legacy.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

This funeral home had the honor, if that is the correct word, of hosting the funeral of the famous Sacco and Vanzetti.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

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

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

A terrific purveyor of natural history objects and curios.

Salute the leader of the proletariat.

The oldest surviving synagogue in New York City is now a soaring art space.

Try not to get slimed in Tribeca.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.