The center of the only hemisphere that awards visitors with a commemorative coin.

The highest point in Wisconsin is capped by two towers that are not as mythic as Tolkien's but provide much better views.

An oddly poignant roadside attraction celebrating American folklore.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

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.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

This friendly fellow was built to honor an advancement in mineral processing.

America's silhouette includes 100 square miles of wilderness jutting into Canada thanks to an old mapmaking error.

This giant, rotating globe was built to celebrate the expansion of a company that makes steam cleaners and pressure washers.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

This one-room cabin where the young colonel slept during the French and Indian War.

This original Mason-Dixon line cairn placed in the 1760s was put in the wrong location because of the gravitational pull of the Allegheny Mountains.

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

This magnificent Cincinnati graveyard is also a popular public park.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

A small wall and marker are all that remain of this historic canal tunnel.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

This three-story Victorian mansion is now home to the National Park Service’s Historic Preservation Training Center headquarters.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

Visit the grave of America's most prominent paranormal investigators and self-proclaimed demonologists.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.