Elevated freight railway turned wildly successful urban park.

A walk through the historic city center, under the streets of Seattle.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The ghostly remains of an accidental sea.

A toxic ghost town sitting atop a massive coal fire.

A trash dump made beautiful by nature's power.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Dramatic river bend surrounds a natural red-rocked pedestal.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Most-visited and most-photographed slot canyon in the American Southwest.

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

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

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

On the Hudson resides one of the largest clocks in the world.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

Local lore claims this park is named after a young woman who jumped off a cliff.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.