Decommissioned NYC subway cars are dumped into the ocean to create this underwater wildlife habitat.

One of the few existing, fully functional Showbiz Pizza animatronic shows.

Forever immortalized in concrete, this Simpsons etching was crafted by show creator Matt Groening.

Sip coffee and talk politics at this landmark cafe in Astoria's Little Egypt, a contender for the title of America's first hookah bar.

A former department store turned into a quirky restaurant.

During the American Revolution, this mansion hosted failed peace talks between the British and Americans.

This turn of the century jail once held Charles Manson.

Not everything is bigger in Texas.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

The colossal cartoon man stands outside a Nevada museum.

The stately birthplace of California's statehood.

This preserved wilderness hides the remains of a colonial grain mill used to feed George Washington's troops.

The flagship building of an early national restaurant chain is a superb example of terra cotta art.

This stately structure has been abandoned for half a century.

A memorial to the Potawatomi chief who allegedly ran nearly 150 miles to alert settlers of an impending attack.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

One of the largest Buddhist communities in the West sits on the site of an old hospital.

Auburn's iconic eagle flight goes back to a 19th century eagle that dropped dead on the field after inspiring the football team to victory.

Despite what scientists think, the town still says this is an extraterrestrial rock.

This dry lake bed contains the oldest known petroglyphs in North America.

A subterranean haunt where wine and homemade biscottis are always on the menu.

The only remaining Jewish congregation in Greenpoint.

The first newspaper printed by an expeditionary force was published in this colonial mansion.