Rusted and decayed, this former mining site is a portal to the past.

The iconic remains of the original Academic Hall that burned down in 1892.

One of the world's earliest skyscrapers.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

This one-of-a-kind convent boasts a kaleidoscopic exterior of stars and double-headed eagles.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

In Egypt's expanding metro area, many of the neighbors are dead.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Away from the crowds of fishing enthusiasts, take a hike deep into the woods and journey into an eerie darkness.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A kitschy, creepy St. Louis mainstay.

Less a museum than a bizarre fantasy world created by artists and engineers.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

One of few surviving standpipe water towers in the U.S.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

This mosaic-covered bar is brimming with curated curios.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.