Storage units with a wartime past.

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

Hamburgers are intensely proud of their tunnel beneath the river.

In an odd geographic anomaly this city borders two different states on opposite sides of town.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

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

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Home to Hollywood history and a very special salt crystal.

The world's longest known cave system.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

In this relatively flat state the highest point is an honored place.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

The largest earthwork effigy in the world.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.