A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

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

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

The 28-foot granite map plots the locations of 40 theaters in New York City.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The oldest living tree in Manhattan comes shrouded in sinister legend.

A bit of retro transportation flair preserved in the world's largest department store.

A popular European tradition makes its way to the states on one of America's most famous bridges.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Elevated freight railway turned wildly successful urban park.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

This working class sculpture pounds his hammer all the livelong day.

A wall of chewing gum moonlights as collective art.

A colorful architectural gem in Seattle's uniquely modern Central Library.