Ruins from the Parthenon and petrified wood line the interior of one of the world's most famous monuments.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

The site of Paul Revere's historic two lantern warning.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

Elvis's own personal tropical hideaway.

Live long and prosper in Tennessee.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

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

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

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

Erosion and time have created a naturally-formed water park.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Giant granite rocks standing end-to-end like a train of circus elephants.

The only mill in the state that features a covered bridge.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

Two small markers remember the Alamo's feline protectors.

The largest riverfront opening cave in the Ozarks.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

A fitting attraction for the corn capital of the world.