This colonial mansion has been home to a staggering number of American historic figures.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

Destructive children, start your engines.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

World War II bunker still standing on the New Jersey beach.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Step inside Lucy, the world's largest "elephant."

The filming location of a shark attack in Steven Spielberg's famous shark movie.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

The oldest landmark of Toronto is a testament to shifting sands.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

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

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

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

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.