A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

An overlooked memorial honoring the local Washington residents who died in World War I.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A statue honors the genius who allegedly first took a meatball and made it into a hamburger.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

A symbol of Texas pride.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Tirelessly maintained by a Wisconsin man named JFK.

An oddly poignant roadside attraction celebrating American folklore.

The highest point in Wisconsin is capped by two towers that are not as mythic as Tolkien's but provide much better views.

The Bong-area park police have asked visitors to please, stop stealing the signs.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

The birthplace of a titan of American cinema.

A former barn converted into a massive train diorama.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.