This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

Extraordinary objects lurk in this quintessential regional museum.

This labyrinthine resting place of Black American leaders has been reclaimed by nature.

This small pedestal marks the spot of the first lot of land sold in Alexandria, Virginia in 1749.

A superbly preserved example of Georgian residential architecture that was once home to one of the founders of Alexandria, Virginia.

This ancient holy well is older than much of the city that surrounds it.

The final resting place of the first documented Chinese person in the United States lies in a Boston cemetery.

The well-preserved remnants of a bridge that once made up a WW1-era military railroad.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This church houses the “incorrupt” body of its founding Bishop.

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

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

Originally dubbed "Retirement" by the Navy Commodore who built it in 1780, this beautiful mansion is now the centerpiece of a suburban community park.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

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

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Ancient snack bar of the Roman Empire re-opened.