This cave holds a surprisingly colorful variety of geological oddities.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

This small town bank is very aware of its name thank you very much.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

This curious headstone is labeled simply as "The Queen."

Thousands of small machines line the shelves of this personal collection which definitely delivers on its name.

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

This wooded grove of beautiful hand-built stone grottos is a hidden gem within a shuttered Franciscan monastery.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

A chessmaster's dream destination.

An abandoned factory along the Mississippi coated by a giant mural.

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

This mosaic-covered bar is brimming with curated curios.

This historic cliffside mansion uses a natural cave for air conditioning.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

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

The world's largest man-made underground caverns offer unparalleled underwater wonders.

This abandoned prison castle has become an imposing gallery of graffiti art.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

This protected reserve is home to a rare and beautiful species of flower.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

This angular brutalist playground turns playtime into modern art time.