A giant Troll lurks under one of Seattle's oldest bridges.

New Orleans' famous cemetery, located on the site of a former race track.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Site of a former hidden treehouse in New Orleans.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

Secret Swing.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

A monument to the art of slicing people open.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

Painstakingly built dioramas sit unnoticed in a Boston office building.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

Statue commemorating the use of ether in anesthesia.

No one messes with the Massachusetts sacred cod, not this time...

The bears may be gone, but their old cages can still be found.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

"Mock all and sundry things, but leave the saints alone."

The Boston square dedicated to the dark poet who was born nearby.

A beautiful Victorian-era cemetery, complete with a miniature village.