Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

A serene temple with stunning stained glass hides in downtown Dallas.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

An automaton perched above an classic clock and watch store

Don't be surprised if you see a long-necked dinosaur peeking out from among the trees in Northgate Park.

One of the few surviving original NASCAR dirt-track speedways.

Ruins of an American Civil War iron forge still survive today.

This fallen red oak tree has been transformed into a piece of trailside art.

The all-but-forgotten cemetery is Eastern Loudon County's largest African-American burial ground.

This huge work of functional public art replaced a landfill in New Jersey's Meadowlands.

Residents of this Brooklyn neighborhood may be unaware their houses sit atop a buried trolley graveyard.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

After being inoperative for over half a century, this elaborate fountain in Atlanta's oldest park was restored to its former glory.

The first singer to cut a country music record is buried in a small graveyard in Atlanta, Georgia.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

Rare and classic books by Black authors are the focus at this independent bookstore in a historic Atlanta neighborhood.

Located on the campus of Emory University, this museum is filled with objects from the Americas to ancient Greece.

This angular brutalist playground turns playtime into modern art time.

A Ukrainian church canteen doles out hearty fare in an East Village basement.

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

A 63-foot-tall swinging ball hypnotizes passersby, and proves to any remaining doubters that the Earth is spinning.

The "Paris of the Prairies" wouldn't be complete without a replica of the iconic landmark.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.