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

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

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

A moody and picturesque riverside ruin overgrown with vegetation.

Huge standing stones mark a site of megalithic mystery.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

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

A particularly disconcerting tribute to Irish martyrs.

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

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

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The modern birthplace of Irish freedom.

A recreated sign from the movie Jumanji has become a makeshift tribute to the film's late star.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

"Where the ducks walk on fish."

A unique sculpture park that specializes in the huge and bizarre.

The fifth-longest natural arch in the world, and the longest outside China.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

A daily replay of the experiment that proved the rotation of the Earth.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.