A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

The island residents are known for taking their quirky sense of humor with them to the grave.

The narrowest house in America is seven feet of pure spite.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

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

A promising candidate for the lost rock laid by George Washington was unearthed, but the hunt is still on.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

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

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

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

A much-maligned monument to teetotalism.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

A celebrity from the late Cretaceous period.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Perhaps the only prehistoric monument with its very own public bus stop.

Perhaps the most scandalous statue of America's first president.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Ancient human remains unearthed around the iconic monument.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

An ear-piercing buzzer calls lawmakers to a vote with a series of long and short rings to form coded messages.