Prague's "Little Hanoi" is one of the commercial centers of Czechia's Vietnamese community.

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

Love, knishes, and best wishes from this legendary Lower East Side bakery.

The Pickle Guys stand as a salt-stained holdout of the Lower East Side’s historic pushcart culture.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

Marketplace by day, fine dining by night.

A secret, ethereal waterfall beneath the picturesque gardens.

These lush botanical gardens employ the most purrfect pest control force.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

One of Philadelphia's largest murals resides hidden under this bridge.

A layered tribute to the work of mosaicist Isaiah Zagar.

This beloved marketplace mascot poops money and grants good luck.

The Fabric Workshop and Museum showcases fabric and mixed media work by artists of great international renown as well as local and outsider artists.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The first American department store, and home to the largest operating musical instrument in the world.

This elaborate towering structure was once famed for its revolutionary height.

Dr Barnes' $25 billion private collection of art and arboretum.

The world’s first penitentiary, meant to be humane, drove men insane.

Yo, Adrian!