Sip a cappuccino in the historic cafe that introduced them to the United States.

Home to some of the last true noodle artisans in New York.

The only gallery in New York dedicated to olfactory art and the exploration of scent in art.

Dine on dumplings at the oldest dim sum restaurant in New York.

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

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

Here, exhibits come with a side of edible history.

New York City's only radical feminist independent bookstore.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

One of the last Jazz Age "Wonder Theaters" in New York City.

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

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

A hands-on traveling collection of the innovative devices of yesteryear.

A semi-scholarly approach to sex.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A non-stop elevator ride in Vienna's city hall.

Op-art architecture designed for happiness.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.