Huge masonic hall in Philadelphia with lavishly themed rooms.

In the early 1800s, surgery was also a show.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

A wunderkammer hidden on the top floor of the Hartford statehouse.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

A world-class collection of mechanical musical instruments and automata.

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

A town trapped in time - 1958 to be exact.

Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

Storage warehouse of the rich and famous.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

There must be a pun in this haystack somewhere...

The most confusing clock in New York.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Lie in a hammock where George Washington stood.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

One of only two remaining Victorian-era greenhouses in New York.