The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

See the motorcycles that launched the stuntman to fame and the gear that saved his life.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

A museum and research center dedicated to preserving the history of Rolls-Royce and Bentley motorcars.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This historic hotel invented the chocolate brownie.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The world's largest piece of copyrighted artwork.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Two thousand artifacts from around the world collected by one woman who loved to travel.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.