The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

Home to the first child born to English colonists in North America, this colony mysteriously disappeared while waiting for supplies.

This sound-art installation features songs composed using only the Mid-Hudson Bridge as an instrument.

This monument is dedicated to Balto, the heroic Alaskan sled dog.

A reproduction of a giant humanoid "fossil," a hoax buried locally for construction crews to find and gain national attention.

As telephones become more essential and less stylish one historic Brooklyn building remembers the days when they were a grand celebration of communication.

This neo-Gothic former auto showroom is one of the few remaining reminders of Brooklyn's "Automobile Row."

An institution dedicated to the towering buildings that make up skylines in New York City and around the world.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

You must take the A train... to the last active cemetery in Manhattan.

The 28-foot granite map plots the locations of 40 theaters in New York City.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

The most confusing clock in New York.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

The library of every book lover's dreams.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.