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.

One of the world's largest model railroads is a mind-boggling achievement.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

This park contains a number of standing stones meant to heal and inspire.

The final resting place of the Hollywood star who came to a tragic end.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.

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

A unique sculpture park that specializes in the huge and bizarre.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

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

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.