From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

This famous city eluded concrete detection until the early 2000's.

Step back in time and witness the fall of Constantinople.

Death rituals and sacrifice inside a Peruvian megalith.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A mysterious pre-Incan ruin believed to have miraculous healing powers.

These delicate ruins need more tourists to keep them from fading away.

Visit this odd display of indigenous style in Argentine wine country.

An abandoned Incan construction project left behind a mysterious "doorway."

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

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The final resting place of New Orleans' most famous voodoo priestess.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

If New Orleans is the birthplace of the "cocktail," why does their own museum of cocktail memorabilia beg to differ?

The land is home to swimming ponies and a legendary 18th-century treasure.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

This historic Canadian jail was once the longest operating prison in the country and is now open for people to incarcerate themselves.

The house and graveyard used in the Stephen King spine-chiller.

The eccentric mansion of one the most popular horror authors of modern times.

A collection of full-size movie monsters opened to the public.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.