Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

At 207 feet, one of the world's longest continuous escalators.

This abandoned sea fort has become an accidental bird sanctuary.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

The resting place of a Civil War celebrity's amputated limb.

The 28-foot granite map plots the locations of 40 theaters in New York City.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

The Cadillac Ranch for monster truck aficionados.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

Moonbows over Kentucky.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

Outsider art meets paleontology at this roadside reptile repository.