A wondrous old library overlooking the nation's capital.

This grand gothic brewery has been pumping out suds for over a hundred years.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A historic neighborhood church is reborn as a psychedelic arts collective.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Home to items never before seen by the public.

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

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

The sole remaining outpost of a once-thriving South Carolina chain still sells “pic-a-nic” baskets.

Settled in 1696, abandoned after the Revolutionary War.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

Oldest unrestored plantation house in America that is open to the public.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

World's largest collection of serial killer artwork and other macabre exhibits.

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

The narrowest house in America is seven feet of pure spite.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.