Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

Where royalty waits in the height of luxury.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

An idyllic mineral hot springs facility with a more-than checkered past.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

The longest navigable underground river in the United States is home to countless blind and albino animals.

The first (but not only) upside-down house in Germany.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

One of the world's steepest streets seems to have houses sliding down it.

This 600-year-old home seems to defy physics.

An unusual house built using an iso-elastic membrane.

A melancholy guardian doubles as a judicious godmother to this small town cemetery.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

This fountain was commissioned by a mother grieving over her son's passing.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

A surprising collection of bronze faces beneath a bridge in Loveland.

Train cars and railroad artifacts abound at this restaurant devoted to railway history.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A painfully obvious spy house sits right across the street from the Russian Embassy.

A lighthouse on this West Virginia lake started as a joke, then the forces of nature helped make it a reality.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.