Three prestigious academic collections come together to create a world-class natural history museum.

Impossibly life-like natural history models created out of glass by a father and son.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

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.

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

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

This beloved roadside attraction welcomes visitors with his signature neon smile.

The only surviving prototype of Buckminster Fuller's revolutionary car.

Bits and pieces from the ill-fated Donner Party's winter cabins.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The arch that celebrated the completion of the Lincoln and Victory highways.

An iconic 1960s theater with a Buckminster Fuller-style geodesic dome.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

A boardwalk winds above this beautiful bog full of wildlife and a rare type of turtle.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Canada's largest dinosaur skeleton was hidden away in storage for more than 40 years.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.