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

The world's only and thus largest collection of its kind celebrates everyday wonder through simple umbrella sheaths.

Explore the dark underground corridors of this graffiti-covered former military fortification.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

This historic pink parlor keeps Phoenicians cool with homemade, retro ice creams.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

Iconic rock formations that allow for exploration during high or low tide.

The last sailing lobster boat in Maine is also likely New England's first zero-emissions commercial vessel.

One of the largest wooden ships ever built is honored by a steel sculpture evoking her once-superlative scale.

Maine’s only official memorial to the Underground Railroad.

The eccentric mansion of one of the most popular horror authors of modern times.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.

An unsolved murder victim's grave which may or may not contain her body.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

This unconventional used book store was once in the news for the surprising act of burning books.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

This concrete sculpture features a woman opening her heart to showcase a beautiful fern.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

A largely forgotten and touching neoclassical marble fountain overlooking a bear mound effigy.