A historic grist mill and active sluice on the Black River.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

The angel of death appears to weep black tears at this grave marker.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

The world’s first penitentiary, meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Memorial built in 1922 in remembrance of WWI casualties.

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

A toxic ghost town sitting atop a massive coal fire.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

These locks on North America’s oldest canal are named after a porcine rock formation.

A castle built for love, and abandoned due to heartbreak.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

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

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

Seven people are buried in the middle of what's now a movie theater parking lot.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.