An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

Elevated freight railway turned wildly successful urban park.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

A dilapidated dock tells the story of Titanic's missed arrival.

An artist's cute bronze subway sculptures belie his violent artistic past.

The romance of early commercial flight still fills this Art Deco destination.

Right next to departures—how convenient!

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

A house of courtship where the Jazz Age's most storied lovers got their start.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A little piece of Paris in the sultry south of the U.S.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

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

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Cannon designed to fire an atomic warhead.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

The oldest continuously operating fish market in the United States.