A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

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

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

A living antique aviation museum in the historic town of Red Hook, New York.

The beloved home to all publications indie, erotic, and punky.

A group dedicated to promoting boating, kayaking and environmental education programs.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

An enormous cat made of recycled wood scraps.

A failed piece of Orientalism has become the proud symbol of a community.

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.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

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

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A daily replay of the experiment that proved the rotation of the Earth.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A modern mechanical planetary system, part of a 10,000 year clock.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

A museum and shop on Bourbon Street located in the French Quarter.