The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

Ride the subways of yesteryear.

Mexico's astounding mummy museum with "the world's smallest mummy."

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Ancient human, animal, and geometric figures drawn in the earth.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The ghostly remains of an accidental sea.

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

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

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

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

A chessmaster's dream destination.

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

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

This mosaic-covered bar is brimming with curated curios.

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

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

This is not your typical jungle gym.