A mysterious castle built as a monument to lost love.

A monument celebrating the idea of reaching inaccessible places.

Abandoned since the 1950s, the streetcar lane beneath the heavily trafficked bridge lays empty and unused.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

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

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Montreal's colorful subway station shows its support of the local LGBT+ community.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

This collection honors the iconic, and proudly American lighter that just won't quit.

Its original statue was deemed so ugly, locals called it “Scary Lucy.”

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A Bibliophile's Dream.

Known as "The Dome" this is the world's largest open air geodesic dome.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

The only presidential monument to display a late POTUS's actual casket.