This expansive bridge in the Canadian wilderness was originally just built for friends.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

This beloved marketplace mascot poops money and grants good luck.

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

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

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

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

One of the oldest of its kind.

An Irish Memorial commemorating those who perished due to potato blight.

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

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

A daily replay of the experiment that proved the rotation of the Earth.

The first American axe throwing club.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

This elaborate towering structure was once famed for its revolutionary height.

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

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

The first American department store, and home to the largest operating musical instrument in the world.

The oldest surviving botanic garden in the United States.

Yo, Adrian!

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

In the early 1800s, surgery was also a show.