There aren't too many operational funiculars around, but Pittsburgh has two!

America's first public mental health facility.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

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

These unusual rooms on wheels are holdovers from the 1960s.

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

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

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

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

One street divides a single town that stands in two U.S. states.

The oddly shaped, steam-spewing building is now an art studio and gallery.

The skeletal white beams stand as a monument to religious dissent.

An original apothecary from 1792.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

America's first federal monument.

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

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