A former waterfront market is now in the center of town due to some interesting Boston engineering.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A monument celebrating the idea of reaching inaccessible places.

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

A white Buddhist temple with a golden restroom.

This restored eighth-century palace is a shining example of ancient Umayyad architecture.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

This two-room shotgun shack in Tupelo is the birthplace of a King.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Elvis's own personal tropical hideaway.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

A sea cave with a waterfall and Viking past