This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This recreation of a 19th-century dime museum is full of oddities.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

Journey through a collection of over 35,000 Halloween items from all generations.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

World's first "penitentiary," meant to be humane, drove men insane.

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

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

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

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 trials and tribulations of marking Poe's grave.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

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

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

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

An original apothecary from 1792.