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

Final resting place of Typhoid Mary.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

You must take the A train... to the last active cemetery in Manhattan.

A Manhattan Episcopal church with an eerie underground crypt.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

This museum explores the grim reality of life in the earliest British colonies in America.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Electrical pylon in the shape of Disney's beloved mouse.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

A luxuriant botanical garden below sea level.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This colorful gate stands as an entrance to the walled city of Old San Juan.

La Cara del Indio honors the Taíno chief who fought bravely against the Spanish invasion of Puerto Rico.

This former sugarcane transport tunnel is now a portal to a lovely beach.

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

A white oak with property rights.