The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

A boulder in the Churchyard of Down Cathedral marks the legendary burial place of "The Apostle of Ireland."

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

It was once nicknamed "the most bombed hotel in Europe."

The late, disgraced President's embalmed remains displayed for all to see… theoretically.

These tiered rice paddies were carved into the hillsides 2,000 years ago.

This one-time health resort was used by aristocrats around the world.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The only castle in North America to ever house European sovereigns.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Frida Kahlo's childhood home, now a museum of her life and works.

World War II bunker still standing on the New Jersey beach.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

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

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

This derelict building used to house infirm Freemasons, their widows, and orphans.

The Hudson River School comes alive at this palatial estate.

The poet's been ambling through these New York woods since 1940.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.