More than 700 species live within this murky marvel of a swamp on California's coast.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

A strange house built only at night, with rumored mystic inspiration.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

Here, visitors can swing with the waves of the Pacific Ocean.

This former Union fort commands a fine view of downtown Cape Girardeau and the Mississippi River.

This statue standing near Sweden's southernmost point was based on the grandmother of a modern movie star.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

The only castle in North America to ever house European sovereigns.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

These enigmatic ruins continue to vex archaeologists.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A major pre-Columbian archaeological site in central El Salvador.

Over a millennium ago, this site on the shores of Lake Titicaca was home to a city of more than 10,000 people.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

These roaring primates were considered a divine creature in the cosmology of the Maya.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

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