The United Arab Emirates's biggest and oldest fort pays homage to a lost era.

One of the only places where Earth’s mantle lies above water.

Walk the same tracks that once ferried Gilded Age aristocrats to their vacation destinations.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

Held in a fort that once stood for colonization of the area, this museum now tells the history of its indigenous people.

This simple badlands butte is the highest point in North Dakota and may be the only high point to charge admission.

This museum was invented in a novel before being made real by the author.

Picturesque ruins once held off mighty armies.

An underground magnet for ever-changing street art.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

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