The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The celebrated eyesore created by starry-eyed sweethearts.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Paris' linguistic guide to the international language of, yes, love.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Also known as the Founding Church of Scientology.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

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

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Washington's iconic carousel has a nice piece of Civil Rights history.

The "lovely red Vega" of the legendary record-settling pilot.

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Go inside to really appreciate this 500-year-old technological masterpiece.

The middle finger of modernity.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A 18th century graveyard and its astonishing cortege of macabre iconography.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

This massive monument has been telling the time for 150 years—at a slight angle.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.