The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

There aren't too many operational funiculars around, but Pittsburgh has two!

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

This collection of neon icons is preserving Arizona's history, one sign at a time.

An antique cemetery in New York, this land is home to any number of famed corpses.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

Explore the evolution of printing technology, from cuneiform to Kindle.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

This grand gothic brewery has been pumping out suds for over a hundred years.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

A museum that houses the world's largest collection of ventriloquism dummies.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An Industrial Revolution-era public work that purified water using nothing but sand.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

The largest collection of political commercials in the world.