The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Drink wine handed out through a window as part of an age-old tradition.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

This Indianapolis landmark offers a secret panoramic view of the city. 

Indiana's oldest sternwheel paddleboat has been plying the placid waters of Webster Lake for 90 years.

An unknown number of cholera victims are buried in two nondescript graves.

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

These imposing walls and towers look more like the ruins of a fortress than a monastery.

This letter written by Queen Elizabeth II in 1986 won't be opened until 2085.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

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

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

This lovely pocket park is one of the most under appreciated in D.C.