The site of a tragic massacre that spawned a multimedia franchise.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The world's largest military aircraft cemetery.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

See massive fossils that are over 200 million years old in northeastern Arizona.

An homage to everyone's favorite prehistoric cartoon family.

This abandoned horse racing track was an exercise in hubris from its inception.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A long abandoned hospital building on the outskirts of NYC.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

A graffiti Mecca welcoming artists from around the world.

A Manhattan office building is home to the world's largest chess board.

A crumbling hospital from the 1850s on Roosevelt Island.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

One of only two commuter aerial tramways in the United States.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.