A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.

A church of bones, decorated with 40,000 human skeletons.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

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

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

A pyramidal marker where the borders of Venezuela, Brazil, and Guyana meet on top of Mount Roraima.

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

In which a local geological marvel becomes a quaint roadside attraction.

A spiritual vortex among the red rocks in Sedona.

Even in death, he's still your huckleberry.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.