Half-hidden by grassy slopes, this striking Spanish colonial fort is now a museum of underwater archaeology.

In Mexico, an abandoned Scottish-looking castle stands as a tribute to love.

This gorgeous stretch of coastline is home to beautiful views and centuries-old rock art.

After becoming locally extinct, this esteemed avian now flies free in the forests around the ancient ruins.

This house covered in art created with volcanic rocks is shrouded in macabre lore.

A unique walk through hundreds of cactus plants, including some that stretch over 8 feet tall.

This seaside production studio was built to film 'Titanic' and has been the wet set of choice for other Hollywood productions since.

Peaceful gardens hide an underground torture museum.

The first public library in the Americas has more than 45,000 books dating back to the 15th century.

This series of waterfalls tumble into a radiantly blue river.

This 80-year old mannequin is so lifelike it is believed to be an embalmed corpse.

Kitschy horror displays now fill the house where some very real serial killing took place.

Mexico's first public cable car soars over the congested streets outside Mexico City.

This "cursed house" features secret rooms, hidden vaults, and dark escape tunnels.

Explore the history of Mexico's lesser-known ancient alcoholic beverage.

The development of this cliffside waterpark is representative of Mexico's history of co-op tourism developments.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

The singular ruins of a mysterious lost city.

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

A barbarous band of serpents guard the bases of these Aztec temples.

The burial place of some of Mexico's most prominent residents is full of macabre stories and hidden masonic symbols.

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

This crumbling Art Deco movie palace in Mexico City has been abandoned for two decades.