MIT students continue the legacy of beloved professor "Doc" Edgerton through learning by doing.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

Bouncing, delightful, mechanical art at the MIT Museum.

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

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

One of only two commuter aerial tramways in the United States.

On this island, you suck away your garbage via an elaborate pneumatic tube system.

A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

Visit the monolithic tomb of America's most famous general.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The famous author's cottage hideaway.

100 massive sculptures in the Hudson River Valley.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

Self-sufficient greenhouse floating on the Hudson River.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.