The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

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

A historic lighthouse steeped in rumors of ghost and pirate stories.

This 19th-century Hamptons windmill was once home to modernist painter Agnes Pelton.

This small plaza encourages people diagnosed with cancer to never give up hope.

This massive airship factory is so large that it has its own indoor weather.

For decades, this waterfall remained hidden because of an artificial dam.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

This campus museum commemorates a national tragedy.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

The world's largest collection of the world's largest objects is in one small Illinois town.

A massive sustainable farm designed by the mastermind behind Central Park.

A pair of black granite tails dive into a sea of grass in landlocked Vermont.

Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

An unassuming 13-acre park is home to over 12,000 roses.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

The oldest living organism in New York City. Maybe.

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

A long abandoned hospital building on the outskirts of NYC.

You can spend the night as an honorary lighthouse keeper in this quaint, historic beacon.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

A lighthouse on a diminutive island was one of the first of its kind to guide seamen home.

A Medieval Water Tower in the Heart of Massachusetts.