The grave of the 19th-century sea captain who coined the phrase "Old Glory" can be found in this quiet cemetery.

The first American department store, and home to the largest operating musical instrument in the world.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Century-old shop, specializing in Occult products.

A layered tribute to the work of mosaicist Isaiah Zagar.

One of Philadelphia's largest murals resides hidden under this bridge.

Believed to be the birthplace of the United States Marine Corps.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

Check out a hidden collection of vintage neon signs.

Two creeks flow out of either end of this canyon in opposite directions.

A boulder so big and tough, they had to turn it into a landmark.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

The Grand Canyon’s original airport, which once welcomed pilots like Amelia Earhart and Charles Lindbergh, lies abandoned.

This Native American settlement dates back to the Pueblo II period.

This unique art installation used boiler tubes from a decommissioned power plant to resemble Antelope Canyon.

This hidden gem along the Utah-Arizona border is truly worth the rugged journey.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

Walk through the sets of old western films at this small museum in Utah.

A late-19th century diversion canal built by hand crosses Bryce Canyon National Park and is still in use.

It's safe—and permitted—to walk across these twin natural sandstone arches.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

This vintage train once gave new meaning to “swimming upstream.”

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

The oldest extant wooden jail in South Dakota and possibly the United States.