17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

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

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

Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

A much-maligned monument to teetotalism.

Decades before the scandal, this staircase on the river was a literal "water gate."

A rotating cast of guys and dolls in front of a Washington, D.C. building.

The national park was once a plantation estate.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This shop for all your super spy needs hides an educational secret.

A lush green oasis in the middle of Chicago.

One part antique store, one part curiosities hodge-podge.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The world's longest known cave system.