The only remaining historic maritime signal station in the United States.

The exterior of this home was used for the hit television show, The Brady Bunch.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

A Gothic-style abode built to accommodate the church's three resident peacocks.

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

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A riverfront park that both remediated and preserved its industrial past.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

A human attendant once directed car traffic from this structure before automated stoplights.

An unusual assortment of steerable wooden sleds is on display in a library in New Jersey where they were first invented.

Memorial to the 137 lives lost on a ship fire, the whole hulk of which washed up on the Asbury Park shore.

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

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

One man's swirling six-acre monument of stone.

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

This small Catskills village has six independent bookstores and more bookshops than restaurants.

At this farm in upstate New York, the former president plotted his reelection campaign.

A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.