Narrowest house in Boston.

Historic Hull Street was actually the first street with a proper name in the Boston area.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

A miniature train theme park, free to the public, laying at the base of the Santa Monica Mountains.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

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

One of the oldest living oak trees in the Southeast.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

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

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

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.

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

The video game-themed street art first popped up in the French city.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.