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

Fittingly, America's museum of architecture is itself a magnificently designed old building.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The oldest continuously operating Catholic school west of the Mississippi.

A rich history stashed behind an unassuming door in the heart of Gold Country.

The beauty and the beast of hydraulic mining is on full display at this California Historic State Park.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

One man's eclectic collection of treasures found at sea.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

The beginning of the historic Iditarod Trail connecting the Alaskan cities of Seward and Nome.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

This abandoned mine offers a glimpse at what life was like for those who came to Alaska seeking Gold Rush riches.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

The only rotating bar in New Orleans has been slowly spinning since 1949.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

An enormous illuminated figure dances on the Las Vegas strip.