Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

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

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

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

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

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.