This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

One of the only memorials dedicated to journalists who died in combat.

This free, take-a-book shop seems like a trick but isn't.

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

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

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

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

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

Exact replica of the ancient monument, but much, much lighter.

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

The ruins of this long-abandoned unsuccessful gold mine can still be found.

Brain collection and database that narrows the gap between man and animal.

A derelict bit of transportation infrastructure hidden in the woods.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

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

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

A former ironworks that was the first UNESCO industrial site.

This abandoned sea fort has become an accidental bird sanctuary.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."