This railroad tunnel was once the longest in Massachusetts.

Once the largest gravity dam in the world.

The only surviving building of historic West Boylston, which was flooded to create the Wachusett Reservoir.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

A grave surprise in the downtown area of New England's second-largest city.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

Turns out you can see the world without ever leaving Maine.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

Dedicated to a legendary spiritual vision.

A men’s restroom became a sandwich shop.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

The magic's in the hole!

A massive sea stack famous for its appearance in The Goonies.

10,000 flowered plants bloom in the City of Roses.

An emporium for the weird, creepy, rare, and just plain gross.

A heavenly experience, right here on Terra Firma.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

The world's largest piece of copyrighted artwork.

These whimsical works of art tell the story of the city's past and present.

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

These beautiful garden buildings are among the oldest surviving greenhouses in the United States.