An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

Decades before the scandal, this staircase on the river was a literal "water gate."

This vacant church in the Financial District was once the heart of New York's first Syrian immigrant community.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

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

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.

An Irish Memorial commemorating those who perished due to potato blight.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A toxic ghost town sitting atop a massive coal fire.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

The oldest farmer's market in America is so ancient it was approved by the King of England.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

In which a local geological marvel becomes a quaint roadside attraction.

A failed piece of Orientalism has become the proud symbol of a community.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

Yo, Adrian!

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This elaborate towering structure was once famed for its revolutionary height.