This campus chapel is Robert E. Lee's final resting place and a topic of debate about the legacy of the Civil War.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This local celebrity earned his fame by doing a job no one else dared.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

A small granite block at this monument's base is the only part of Lincoln's Tomb outside of Illinois.

This might just be the TARDIS of bookstores.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

Live chainsaw carvings of tiki statues aim to keep a tradition with ancient roots alive in this small Delaware town.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

These lush botanical gardens employ the most purrfect pest control force.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

The tombstone of the founder of the lost town of Ogletown is now stuck inside a traffic median.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."