The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Mystic Incan rock piles three miles above sea level.

Famously misunderstood wonder of the ancient world

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The watery grave of an impractical idea.

An experimental, automotive replica of Stonehenge.

This legendary urban waterfall creates a dazzling display of rainbows.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

In 1952, this restaurant began selling the Colonel's “secret” recipe.

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

This little gem of a museum is a hidden jewel filled with prehistoric treasures.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The famed architect designed this Minnesota gas station of the future with a lookout tower.

Horse cemetery on the grounds of Blarney Castle.