Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A huge musical instrument played by the ocean.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

A motel dedicated to Southwestern nostalgia.

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

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

A gargantuan crystal kingdom.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This early version of the guillotine was used to execute the man responsible for its construction.

A six-ton wedding present for the King of the Scots.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

After he picked up a brush at the age of 47 this simple barber turned his entire home into a canvas.

The little house that stood up to a disastrous flood has become a symbol of perseverance.

Despite its name this unique art piece was established to commemorate a tragic flood.

Two thirds of this Montreal neon icon has survived to flash another day.

A contemporary fresco movement illustrates the region's rich history.