This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

The trials and tribulations of marking Poe’s grave.

The site where Poe “in great distress, and ... in need of immediate assistance” likely died.

A museum dedicated to exhibiting remarkable outsider art.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

Location of a reliquary containing bone fragments of 18 saints.

St. Augustine's record-setting narrow street was designed to protect against pirates.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

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

Intertwined, interspecies trees which locals believe can grant boons to lovers.

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.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

Despite the name, these small saltwater swimming pools have nothing to do with the Romans.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

Ancient mysterious ruts carved in the bedrock.

This unique building in the main square stands out among the city's typically Baroque architecture.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.