The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

A local prank turned town icon.

The location where the famed author and abolitionist began his journey to freedom.

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

The remains of the oldest bone-headed dinosaur in North America.

One of the largest underground systems runs under Canada's largest urban center.

This half-ton piece of the Alps sits at the base of the CN Tower.

The site of a tragic massacre that spawned a multimedia franchise.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

See massive fossils that are over 200 million years old in northeastern Arizona.

These unusual rooms on wheels are holdovers from the 1960s.

Bizarre Cavern.

This four-story steel sphere in Maryland was used to test biological weapons.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The land is home to swimming ponies and a legendary 18th-century treasure.

An isolated island home to one of the oldest English-speaking communities in the region and Maryland's state dessert.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

A winding district gerrymandered into the shape of a mantis.