The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

One of the oldest of its kind.

A curious building honoring past and current members of a historic musical comedy troupe.

Dr Barnes' $25 billion private collection of art and arboretum.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

One of Philadelphia's largest murals resides hidden under this bridge.

A rare view of a preserved Victorian science museum.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

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

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

The abandoned coal loading dock is a canvas for unsanctioned art.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

One of the world's largest model railroads is a mind-boggling achievement.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

Arlington Cemetery exhibit dedicated to death and grieving.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A completely round house designed for the Atomic Age.

Destructive children, start your engines.