A European-style bath house in Chicago.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

A Museum of Holography frozen in 1974.

These mansions date back to Chicago's days as a brewer's paradise.

The world's only known button museum.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

An antiquated German apothecary on Chicago's North Side.

This sanctuary is home to donkeys who finally get to rest after a life of toil.

Once a month, an Indonesian feast appears inside an Elmhurst church hall.

Here, exhibits come with a side of edible history.

A very classy 1920s-era bar right in Grand Central Station.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

An artist's cute bronze subway sculptures belie his violent artistic past.

This collection of grinning ephemera has grown from basement to Brooklyn.

Volunteer-run library dedicated to exploring five decades of activism history.

The first and only carousel with a lineup entirely of insects.

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

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

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

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.