Experience Larry Spring's self-taught "common sense" laws of physics.

A trash dump made beautiful by nature's power.

A grove of "candelabra redwoods" deep in California's Lost Coast.

This massive redwood tree has a hole in the base big enough to drive through.

An optical illusion found amid a logged redwood forest.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

A simple plaque remembers a California island massacre that claimed more than 100 lives.

Commonly referred to as the most photographed Victorian home in the United States.

Folk art crafted from discarded vegetable crates.

Experience the "opulence, grace, and grandeur of Eureka's most famous Victorian Inn."

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This little museum has an exhibit devoted to the elusive forest denizens.

Canyon walls shrouded in ferns.

These cinderblock farmhouses were actually World War II radar stations in disguise.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

Its interior is adorned with some of the best examples of early Christian mosaics.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

An alchemist's “magic door” stands in the middle of a Roman park.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

A medieval weapon rumored to have been used by the brilliant poet himself.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.