Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Standing guard on top of an old, vacant ice cream shop.

One man’s vision of living among dinosaurs credits Jesus Christ as the engine of biological evolution.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

This freshwater spring fills with 10,000 gallons of water per minute.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

A quirky collection of outsider art made from automobile parts.

This Federal-style plantation house was once visited by Abraham Lincoln to meet with generals during the Civil War.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

This unique structure is the only one of its kind in Virginia.

The former home of the man whose radical ideas changed the nation.

A lightship turned museum, outfitted with artifacts from the vessel's past as part of the U.S. Lighthouse Service.

This monument is dedicated to those lost on June 6, 1944, in the town with that day’s highest per-capita casualty rate.

The last of nine massive kilns that produced many of the red bricks for buildings in Washington, D.C. and northern Virginia in the early 20th century.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

One of the oldest train stations still standing in Virginia played a vital role during the Civil War.

Metal dinosaurs lurk in a sculpture garden on the outskirts of a popular resort town.

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

This sprawling museum holds one man's giant collection of real tanks.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.