A model home in the Medical Examiner's Office in which grisly death scenes are staged to train forensic investigators.

Eighteen miniature death-scene dioramas.

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

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Remains of a historic fountain that was mysteriously lost in the demolition of a D.C. traffic circle.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A historic cemetery filled with quirky faux wood art and unique tombstones.

An overgrown garden stands as a grim marker of an unrealized dream.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

Remnants of a storybook amusement park hidden behind a strip mall.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Home to a vast and influential collection of Shakespeareana.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

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

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