The world's oldest continuously operating airport was founded by the Wright Brothers.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

An abandoned church gets a second life as a massive beer hall and event space.

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

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

Two dozen pinball games hidden away inside a most unlikely location.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

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

A relic of FDR's brief foray into utopian urban planning.

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

A priceless collection of the Nation's cryptologic history.

Ship skeletons haunt Baltimore's waterways.

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

This abandoned sea fort has become an accidental bird sanctuary.

A remote horde of architectural treasures fit for Indiana Jones.

The development and impact of electronic media showcased in a picturesque farmhouse in Maryland.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

This defunct, fortress-like prison has been the setting for several movies.