The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

The former sign of this immortal music venue is just that--undying.

Behind a grungy bodega facade, a Poblano family serves rich, home-cooked meals.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.

World's first "penitentiary," meant to be humane, drove men insane.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

Birds with backpacks expedite film development for a rafting company on a remote Colorado river.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

This dynamic entertainment venue brings a much-needed funkiness to the region with its bizarre art, eclectic films screenings, and peculiar performance pieces.

A snapshot of the city's fascinating voodoo culture.

This park is home to well over 100 handmade birdhouses.

This mysterious petroglyph evokes the ancient swastika symbol but was later vandalized with the more troublesome Nazi one.

Famous and forgotten figures lie beneath the faded headstones and decaying planks of wood.

This now-deactivated naval base defended the Florida coast for centuries.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.