The romance of early commercial flight still fills this Art Deco destination.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

A former major munitions plant that has been converted into a sprawling art space.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

An original apothecary from 1792.

Outsider art meets paleontology at this roadside reptile repository.

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

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

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

The land is home to swimming ponies and a legendary 18th-century treasure.

A priceless collection of the Nation's cryptologic history.

An astounding collection of medical specimens, including bits of President Lincoln.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

Eighteen miniature death-scene dioramas.

A MiG-17 fighter jet sits atop this memorial to the indiscriminate bombardment of Hargeisa.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.