The fairy tale castle of the "fairy-tale king."

An ancient knight and a symbol of the city's freedom.

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

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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Final resting place of one of the classic authors of horror literature.

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

Georgia's highest point was given its strange name thanks to a simple translation error.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

A daily replay of the experiment that proved the rotation of the Earth.

Where the oil industry began.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

An ideal wedding spot that is almost too ideal.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

An enormous, inside-out glass globe built in 1935.

The first American department store, and home to the largest operating musical instrument in the world.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Mysterious rocks that ring musically when struck.