The highest point in Washington state is a volcano covered in glaciers.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A museum dedicated to the history and exploration of both popular music and science fiction.

A place to eat for on-the-run agents and espionage enthusiasts.

An abandoned theme park with a strange and tumultuous past.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

The site where Joe Gallo kept his guns, pet lion, and launched an all out mob war in 1960s Brooklyn.

Retribution for death of infamous mob boss Franie Yale was a case of mistaken identity.

This eclectic sculpture garden in Brooklyn, home to a bizarre collection of art, was once a run-down junkyard.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

Avoid gangster interaction while window-shopping.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

This monument owes its name to a quote by the famous civil rights activist and journalist.

Once an ornate movie theater remade by Catholic Charities.

Location of the Real World's disastrous, and protested, eleventh season.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.