Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

The only castle in North America to ever house European sovereigns.

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

Diego Rivera's massive tiled fountain and failed infrastructure project.

Twelve natural mummies are displayed in the crypt of this former monastery school.

66,000 pieces of art, donated by one of the world's richest men.

Frida Kahlo's childhood home, now a museum of her life and works.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

This giant expressionist head crowns a museum devoted to a beloved Mexican leader.

This crumbling Art Deco movie palace in Mexico City has been abandoned for two decades.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

An enormous natural sandstone bridge in Kentucky.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

One of the few surviving "Wigwam"-themed motels.

Moonbows over Kentucky.

The world's longest known cave system.

The remains of this visionary community can still be found much as it was a century ago.

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

This small museum is kept in a house that was integral to the genesis of Uncle Tom's Cabin.

Veritable museum of 20th century country music history.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.