These eerie outliers of the lightning bug family glow a mysterious blue color.

This abandoned lighthouse looks like a rusting oil rig, but has managed to survive a number of storms.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

This ancient art form was used to capture the lives and struggles of the Haywood Street ministry.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

This labyrinthine resting place of Black American leaders has been reclaimed by nature.

Through the decades, Black music stars have performed at this historic hub for music and the arts.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

A giant time capsule not scheduled to be cored until 2040.

A monument marks the location of the first successful steamboat demonstration.

This university transit system is a 1970s vision of the future.

Alexander Hamilton’s creation caused quite a bit of controversy.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

The way these carnivorous dinosaurs are posed is an homage to a classic work of paleoart.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States