This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Collection of antique science instruments displayed in recreated 1870-1930 laboratories.

Learn about the last river many crossed to find freedom from slavery in the United States.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

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

This century-old independent movie theater with an iconic Art Deco neon sign survived a devastating fire in 2016.

This 19th-century Hamptons windmill was once home to modernist painter Agnes Pelton.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

This abandoned ironworks was once the most important military supplier in America.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

A multi-storied adobe complex has been inhabited for more than a thousand years.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

This century-old museum showcases New Mexico’s history through arts and crafts.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

A homage to the King at the hotel where he revived his career.

An enormous illuminated figure dances on the Las Vegas strip.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.