Tracing a path of more than four miles around a frozen lake, this is the longest skate trail in the United States.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

This bronze statue commemorates the life of the first Black American to publish a novel in the United States.

The final resting place of the first documented Chinese person in the United States lies in a Boston cemetery.

A small obelisk commemorates the launch site of the world's first liquid-fueled rocket.

An artifact taken from one of America's shortest wars.

Murder scene memorialized in perpetuity by grisly obelisk.

Celebrating an art form with a collection of puppets from all over the world.

A nature and outdoor art preserve features the large-scale, abstract works of a renowned Maine folk artist.

Commemorating the spot where the famous scientist fed his pigeons.

Industrial ruin decimated this tiny New England company town in a fashion no one saw coming… and even fewer remember today.

The only remaining historic maritime signal station in the United States.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

A gas station and a state sign commemorating the most famous claims of extraterrestrial abduction.

This beautiful Cape Cod beach offers dazzling views and an interesting historical footnote.

A semi-scholarly approach to sex.

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

This translucent sculpture represents a quintessential component of New York City's skyline.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

The largest fountain in Bratislava.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.