Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

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

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

The narrowest house in America is seven feet of pure spite.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

A historic cemetery with unique artwork, a Civil War fort, and also happens to be the site of the Battle of Bladensburg.

A historic cemetery filled with quirky faux wood art and unique tombstones.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

The towering figures were created from the cemetery's fallen old-growth trees.

This general store is more than a century old and home to various oddities and antiques.

The world’s first penitentiary, meant to be humane, drove men insane.

A park full of outsider art, created by college students studying outsider art.

A miniature golf course crafted inside the world's largest simulated cave.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

The oldest surviving one-room schoolhouse in Montgomery County, Maryland.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

Hidden within an idyllic suburban garden is a memorial dedicated to the victims of a terrifying spree of killings committed on U.S. soil.

Time travel with sweets across history at this research-based candy store.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.