The famous author's cottage hideaway.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

The first pet cemetery in the United States.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

Try not to get slimed in Tribeca.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Outsider art meets paleontology at this roadside reptile repository.

Exact replica of the ancient monument, but much, much lighter.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

The site of the climactic scene from the classic horror film is now a historic landmark.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The "lovely red Vega" of the legendary record-settling pilot.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

A haunting tribute to pioneering photographer Clover Adams.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

Miraculous tree that seems to sprout out of solid rock.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A downtown park built on top of unclaimed graves.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The only road through the heart of Glacier National Park.