This pre-Hispanic apartment complex also includes ancestral paintings that point to its military past.

A striking depiction of Teotihuacan's mysterious "Spider Woman."

These millennia-old murals once covered the walls of residential complexes across the ancient city.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

The fully functional, submerged Vanuatu Post Office is definitely one of a kind.

These flying foxes dangle from the trees around the library like fuzzy black fruit.

One of the oldest theaters in Australia, it's also said to be haunted by a performer who died on stage.

One man's quest for the ultimate road trip vehicle.

The freeway that never was.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Lemon Grove, California is known for its giant lemon...and mummified bodies.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

North America's largest accredited model railroad museum.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

One of the largest trees of its kind in California.

The oldest standing structure in downtown San Diego.

This historic Chinese church was relocated and revived as a museum that preserves and celebrates Chinese art, history, and culture.

The classic Atari game's iconic aliens have invaded downtown San Diego.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The tiniest tiki room in San Diego.