Scattered around Atlanta are little doors with big charm.

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

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

This jagged colossus of a building is mostly held together by an enormous concrete exoskeleton.

This little gem of a museum is a hidden jewel filled with prehistoric treasures.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

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.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Slyly buy a shake in the Parker Meridien lobby.

A posh members-only club with a literally dramatic history.

The most confusing clock in New York.

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

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

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

A semi-scholarly approach to sex.

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

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

Its buzzing collection honors vibrator history.

Half of a house.

One of few lasting examples of the brief octagon craze that developed into folly.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”