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

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

A Civil War Museum with some notable medical antiques.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

There's a crumbling old mansion inside the Smithsonian National Zoo.

Perhaps the most scandalous statue of America's first president.

An obscure federal monument honors the French diplomat who served as Ambassador to the U.S. during WWI.

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

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

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

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

This roadside dinosaur park offered up lumpy neon thunder lizards in the name of kitsch and education.

A graffiti Mecca welcoming artists from around the world.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

The saddest little diner in New York.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

Fossilized sea bottom and lime quarry.

This forgotten graveyard in rural New York State once served a pioneering hospital.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown

A distillery built on (and above!) mobster Dutch Schultz's Prohibition-era underground moonshine business.

What remains of the simple red brick chapel where the women's rights movement began.