Few of the many visitors to this resort town know of its hidden Maya ruins.

These azure waters were thought to lead to the Mayan Underworld.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

This roadside attraction in the woods of Mississippi is a scalable replica of the Holy Lands during biblical times.

In the mid-20th century, a tamale-slinging juke joint attracted a diverse clientele in the Mississippi Delta.

This racially troublesome eatery thought a new coat of paint could erase its offensive connotations.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

Trace the history of writing at this unusual North Carolina destination.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

An abandoned 1920s school with a mysterious history.

This solemn facility remembers the cruel effort to compel Native American children to relinquish their culture.

This circus town museum recognizes the outstanding clowns of history.

A theme park attraction designed to turn your children into LARPers.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

Unique collection containing a wide and curious range of contraceptive items.