This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

A music-filled, booze-soaked oasis in the desert.

A fake town founded by Western movie stars is now becoming a hip desert community.

This morbid scene depicts the Darwinian drama of death on the African savannah.

This impressive scene portrays the elusive forest giraffe of Central Africa.

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

This elaborate tunnel is the first structure composed of cast concrete in the United States.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

The home, museum, and death site of Kodak's influential founder.

A nearly 100-year-old dining car in upstate New York embodies the golden age of roadside dining.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

The most confusing clock in New York.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

There must be a pun in this haystack somewhere...

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.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.