The last remaining attraction from Paragon Park.

Once the largest gravity dam in the world.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

This museum shines a light on the true Pilgrim experience in North America.

This beautiful Cape Cod beach offers dazzling views and an interesting historical footnote.

Hill-like structures formed by glaciers and sandy spits of land.

Hundreds of personalized inscribed planks make up this historic boardwalk.

One of the last remaining movie theatres in the country that features a rear-projection system.

Solar powered Spectacle Island features all-green facilities.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

In order to save this beloved rock, locals blew it up and put it back together piece by piece.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

The largest glacial erratic boulder on Cape Cod.

A disastrous shipwreck and a tragic love story.

This parking garage was the site of what was - at the time - the largest cash robbery in history.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

This site commemorates the former inn and restaurant where the chocolate chip cookie was first crafted.

Millions of numbers carved in glass represent the tattoos forced upon victims.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

This impressive Boston holy house is the American mecca for Christian scientists.