A daily replay of the experiment that proved the rotation of the Earth.

A field of nothing but boulders which resembles a giant's gravel driveway.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

This jail which was in service for over a century is now open for curious visitors.

A local prank turned town icon.

This elaborate towering structure was once famed for its revolutionary height.

The abandoned coal loading dock is a canvas for unsanctioned art.

Yo, Adrian!

This park contains a number of standing stones meant to heal and inspire.

A failed piece of Orientalism has become the proud symbol of a community.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

In which a local geological marvel becomes a quaint roadside attraction.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

A "Bugseum" dedicated to all things insect-related resides behind a pest control company.

World Trade Center memorial likened to a woman's sexual organ.