The largest source of fossilized insects anywhere.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

There is an art, a science, and certainly a responsibility to occupying the Big Red Chair, and this is where it's learned.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

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

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

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

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

A unusual sanctuary for abused and exotic animals in South Jersey.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

The world's oldest continuously operating airport was founded by the Wright Brothers.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

The land is home to swimming ponies and a legendary 18th-century treasure.

This abandoned sea fort has become an accidental bird sanctuary.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

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