Explore the cabin where the famed abolitionist once lived and the site where he fought the Battle of Osawatomie.

Undone by Prohibition, this abandoned brewery-turned-flour mill is now ready for its third act.

This vivid painted ceramic sculpture evokes the expansiveness of the prairie sky.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

A former Army airfield is home to one of the largest aviation museums in America.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

This oversize piece of novelty cookware once cooked the largest pancake in the world.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

The highest bridge in America was built for an almost unnervingly small amount of money.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

Three hundred years of preserved Spanish colonial history in San Antonio.

An antique horse-drawn hearse provided French luxury for the dead in this Texan town.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

These massive mitts are made of 30 tons of devotional bronze.

Once a giant oak that served as the region's post office.

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

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Ancient pueblos built into the base of a natural canyon wall.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

See massive fossils that are over 200 million years old in northeastern Arizona.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.