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

In 1911 this intersection was called "the heaviest corner in the South," an outlandish claim that only grew wilder over the years.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

From a supper club to a gay bar to an HBO shooting location, this 125-year-old Victorian mansion has lived many lives.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

Eighty million natural history specimens call this gargantuan museum home.

The ground on which Shakespeare’s initial playhouse once stood.

Paris' linguistic guide to the international language of, yes, love.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

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

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Dedicated to a colonial woman who was hanged for being a Quaker.

The colonial home of Paul Revere during the American Revolution.