The "Seinfeld" diner.

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

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

The world's last remaining store of its kind.

The striking and little-touristed ruins of an ancient city destroyed and rebuilt by the Aztecs.

This museum tells the history of Day of the Dead sugar sculptures.

Stained glass windows bathe this botanical garden in cosmic light.

You can release a young butterfly at this beautiful indoor garden.

Mexico City's largest market contains a Willy Wonka-esque wonderland.

An Aztec snake god has taken the material form of an apartment complex.

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

At a museum of everyday objects, it is the act of collecting that is really on display.

The preserved remains of the former Milwaukee County Hospital for the Insane are hidden in the wooded grounds of County Park.

A town filled with hot chocolate, dazzling lights, and lots of Christmas cheer.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

An off-the-beaten path cave with an underground lake.

Trek through the jungle on a boat and a swinging bridge and you'll be rewarded with these refreshing, if pungent, mineral pools.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

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

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.