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

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

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

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

An abandoned warehouse turned art sanctuary in New Orleans.

A hurricane-stricken oak tree has been reborn as a beautiful chainsaw artwork.

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

The tallest monument in a historic New Orleans cemetery was prompted by romance and dash of pettiness.

This strange, small castle on the bayou has withstood the test of time and weather.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

When in Idaho, sleep in a giant potato.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

A building so large that it has its own weather.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

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

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

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

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

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.