Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

A World War II-era submarine is stuck in the mud in New Jersey.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

See some of the world's greatest racing horses at this idyllic thoroughbred breeding facility and garden complex.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

A particularly disconcerting tribute to Irish martyrs.

The modern birthplace of Irish freedom.

Experience what life was like in Ireland during the Viking and medieval ages.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

One of Ireland's most infamous prisons for rebels including men, women and children.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

Ice cream stand, snack bar, and time capsule of milk conveyance.

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

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.