This shrine dedicated to the Virgin Mary is also a tribute from a mother to her fallen son.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

Hundreds of protractors affixed to surfaces all over the city.

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

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

This icon of the Atomic Age now lays dormant.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

A derelict bit of transportation infrastructure hidden in the woods.

The span is crooked and made from two older recycled bridges.

This forgotten boat elevator was an engineering marvel in its heyday.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

At 207 feet, one of the world's longest continuous escalators.

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

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

This public park was the site of the largest civilian disaster of the Civil War.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A private residence adorned with a gorgeous mural dedicated to the buzzing insect.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.