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

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

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

This abandoned sea fort has become an accidental bird sanctuary.

This historic lighthouse was well known for the large number of women who served as its keeper.

A rural colonial settlement that contains the remains of a store and cooper.

The meeting of the northwestern corner of Delaware, the northeastern corner of Maryland, and the southern edge of Pennsylvania.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

Once used as a deterrent to drinking alcohol.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

This tucked-away cemetery is the final resting place of a prospector who uncovered one of the largest gold mines in Arizona.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

Once disputed as the largest sundial in the world.

A geological mystery on Camelback Mountain.

A colorful, century-old cemetery of the Yaqui Indian Tribe hidden amid the suburban sprawl of Tempe, Arizona.

Don't blink or you'll miss it.

Collection of vintage trailers double as hotel rooms.