Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

The house where John Wilkes Booth conspired with his co-conspirators.

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.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

A Muppet museum in small-town Mississippi honors the roots of Jim Henson's most beloved creation.

This two-room shotgun shack in Tupelo is the birthplace of a King.

Elvis's own personal tropical hideaway.

A bizarre house filled with an astounding array of collections.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

A historic presidential getaway on the continental United States' southernmost island.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

Electrical pylon in the shape of Disney's beloved mouse.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Less a museum than a bizarre fantasy world created by artists and engineers.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.