The first park built over a freeway is a brutalist masterwork.

Bonsai trees that are up to a thousand years old.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

There are eight natural springs around town, each with a slightly different taste.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

The U.S. Fish Commission’s effort to mass produce carp.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

The large fjord lake is thought to be the home of "Ogopogo," a giant sea serpent.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

The "Seinfeld" diner.

This working class sculpture pounds his hammer all the livelong day.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

The 28-foot granite map plots the locations of 40 theaters in New York City.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

An exotic wildlife habitat right off The Strip.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.