An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

An eccentric company offers eccentric millionaires the opportunity to have spaceflight-related experiences.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

This leafy estate is worth $18 million and is so grand it has two mailing addresses.

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

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

The highest peak in the state of Vermont has some interesting features.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

A forest wonderland caused by Burlington, Vermont's aggressive southwestern winds.

Scary metal statues adorn some of the signature buildings of Burlington, VT.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.