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

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

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

For more than 25 years, this Philadelphia store has been offering a wide selection of Victorian oddities and antiques.

A layered tribute to the work of mosaicist Isaiah Zagar.

A state park that once served as an important river crossing, and now offers protected lands for endangered plants and animals.

A wondrously macabre treasury of obscure antiques and unusual oddities.

The legacy of a wealthy executive and his wife, this little-known art museum features works by Picasso, Monet, Renoir, Cezanne, and more.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

A historic cemetery with unique artwork, a Civil War fort, and also happens to be the site of the Battle of Bladensburg.

The final resting place of an iconic drag performer is decorated with pearls and hot-pink lipstick.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

One of the earliest and best-preserved buildings in Charles County, Maryland.

The ruins of an old mill lie in a small ravine along a hiking trail near Little Seneca Creek.

The hidden ruins of a mill that is linked to an attempt to assassinate the vice president of the United States.

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

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

The headquarters of the Audubon Naturalist Society is a small slice of heaven for nature lovers.

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