A 16th-century horror show built in a lovely Italian garden.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The artwork that Italians felt California didn't deserve.

This cabin from the 1850s is one of the first structures built by Chinese immigrants in California.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

A museum and tribute to a brave profession.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

The unusual burial monument of Arizona's first governor.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Limestone caves with spectacular showcase chambers.

A spiritual vortex among the red rocks in Sedona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

See massive fossils that are over 200 million years old in northeastern Arizona.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The hallucinogenic center of the ancient world.

This famous archeological mystery may be an ancient example of movable type.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.