One car at a time please.

A tomb with a window to ensure the interred wasn't buried alive.

This chestnut box will not be opened until the country music legend's 100th birthday in 2046.

Hundreds of protractors affixed to surfaces all over the city.

A modern mechanical planetary system, part of a 10,000 year clock.

A bright, colorful telling of the history of Mexico's youngest state.

A little-known hall almost completely covered in art by the beloved local painter.

After surviving abandonment, this powerful Latin American mural is alive again.

The “American Gothic" artist's largest works hang in an Iowa State University library.

A Romanesque sanctuary of calm amid the bustle of downtown Los Angeles.

Though the original building has been demolished, these massive bronze doors were saved.

Inside this library, the history of Los Angeles is retold through a mural.

The legendary building that needed ghostly approval before being built.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A cake-themed art installation tucked away in historic Chinatown.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

A piece of baseball history is preserved in a Pittsburgh parking lot.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

The immortal Hollywood star rests in peace in an unassuming Swiss village cemetery.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

In the middle of a peaceful campus garden lies a lone grave.

This 1939 grave of a British soldier now receives legions of unlikely visitors.