A parade of antique steeds offers a quirky ride through history.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

The world's largest public collection of PEZ memorabilia.

This historic railway museum may have lost its passengers but not its love for trains.

More than a century of radio history is told in these displays.

A quirky assortment of musical marvels from around the world.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

Home of Philip Johnson, one of the 20th century's most influential architects.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

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

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

A mysterious stone embedded at the base of a historic Boston building.

A men’s restroom became a sandwich shop.

Painstakingly built dioramas sit unnoticed in a Boston office building.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.