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

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

Visit the monolithic tomb of America's most famous general.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A touching tribute to the "Queen of Soul."

Jimi Hendrix's legendary recording studio in Greenwich Village.

An aptly-named street near the birthplace of the modern LGBT rights movement.

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

New York City's only preserved family home from the 19th century.

A unique collection of figures perform down the facade of the Gene Frankel Theatre.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

The competition: breathe deeply as long as you can.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

A swirling spectrum of stained glass dazzles visitors who enter this subway station.

A reconstituted ancestral village of the Huron-Wendat Nation.

The final resting place of Harriet Tubman and other famous historical figures.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

Memorial to the first European to set foot on Maui.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Babe Ruth and others planted saplings for a 1930s tourism campaign. The saplings grew as the area faded.