The first home and studio that belonged to the famous architect.

The only female equestrian statue in Washington, D.C. is a 15th-century French heroine.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Look up from the busy streets to discover how time is kept!

Experience life in one of America’s smallest neighborhoods.

This three-story Victorian mansion is now home to the National Park Service’s Historic Preservation Training Center headquarters.

Explore the history and craftsmanship of a century of motorcycles at this St. Louis showroom.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

One of the world's earliest skyscrapers.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

Tiki luxury on Nob Hill.

The celebrated eyesore created by starry-eyed sweethearts.

The storefront of a ramshackle Parisian puppet theater.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

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

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.