A "Bugseum" dedicated to all things insect-related resides behind a pest control company.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

Hidden behind West Philadelphia rowhomes is a haven for migratory and local bird species both ordinary and rare.

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

This beloved marketplace mascot poops money and grants good luck.

Century-old shop, specializing in Occult products.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

One of Philadelphia's largest murals resides hidden under this bridge.

This giant disembodied horse head seems to balance impossibly on its nose.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

Hidden deep within New Jersey Pine Barrens is a massive graffiti wonderland.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

Rising out of a clearing in New Jersey's Pine Barrens is an Aztec-inspired monument to the "Lindbergh of Mexico."

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

This beautiful Miami garden was designed as a laboratory for tropical plants.

A luxuriant botanical garden below sea level.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

Where monkeys run wild and the humans are caged.