A railroad lift bridge that was only lifted once and became obsolete before construction was finished.

Mennes invented the tags we all place annually upon our license plates, and his story is told frankly and in full upon his headstone.

Only place outside China and India where two overhead DC power lines cross.

Part of a secret 1970s nuclear defense program is now open to the public.

One North Dakota man's vast collection of rare rocks, polished orbs, and geological wonders.

This museum is a full-size replica of an original church constructed during the 13th-century.

A monument to the center of the North American continent may be off by a few miles.

The remnants of an early American attempt at missile defense.

Over 600 vacuum cleaners stack the shelves of what may be the cleanest museum in America.

A floating museum that was sunk by a flood and left to rot in the tides.

A museum celebrating the Victorian obsession with hair art.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

The only mill in the state that features a covered bridge.

When Joseph Marconnott died, he had a unique final wish: to be mummified and put on display.

The creator of the Kewpie doll's former home has been turned into a museum celebrating her life and work.

This museum features the original car used on the Beverly Hillbillies sitcom.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

This curious headstone is labeled simply as "The Queen."

A museum devoted to osteopathy and its creator, Andrew Still.

This mausoleum is the final resting place of one of St. Louis's richest and most tragic families.

This museum located in the "Corn Cob Pipe Capital of the World," chronicles the history of cob pipe.

This museum presents a dogged pursuit of 500 years of veterinary history.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.