This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Home to a protest movement, a bombing, and a dramatic change in labor history.

Home to items never before seen by the public.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This mausoleum is the final resting place of one of St. Louis's richest and most tragic families.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

This statue intended for children to enjoy became a minor political spat.

One man's unrequited love stands in a glass box forever.

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

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

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

An eccentric inventor's castle home with its own indoor weather system.

A men’s restroom became a sandwich shop.

Dim sum, served in a grand old theater.

Two thousand artifacts from around the world collected by one woman who loved to travel.