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

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

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

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

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

A layered tribute to the work of mosaicist Isaiah Zagar.

A rare view of a preserved Victorian science museum.

A curious building honoring past and current members of a historic musical comedy troupe.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

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

These medicine cabinet staples are part of the museum's collection of everyday objects.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Arlington Cemetery exhibit dedicated to death and grieving.

A tree that defies gravity grows in an ancient ruin.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This ever-changing arrangement of naked dolls even caught the attention of "The Walking Dead" crew.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.