This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The skeletal white beams stand as a monument to religious dissent.

An overgrown garden stands as a grim marker of an unrealized dream.

Formerly the most gerrymandered district in the U.S., it twisted and turned along racial borders.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

This North Carolina store preserves a historic moment in America's movement for racial equality.

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

The land is home to swimming ponies and a legendary 18th-century treasure.

An astounding collection of medical specimens, including bits of President Lincoln.

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe’s grave.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

An eerie, decaying ghost town destined to fade into the forest.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A Civil War Museum with some notable medical antiques.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

Once America's tallest structure, now a Baltimore landmark.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.