Miraculous tree that seems to sprout out of solid rock.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

A miraculous natural phenomenon known as "the spring that breathes."

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

One of the smallest towns in the United States.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

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

The singer, actor, and activist lived here during his final years, and now it’s a museum dedicated to his legacy.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

This beloved marketplace mascot poops money and grants good luck.

The humble field where the first Major League Baseball game was played.

The abandoned coal loading dock is a canvas for unsanctioned art.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This elaborate towering structure was once famed for its revolutionary height.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.