The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Roaming bison and a spectacular view at the highest point in Nebraska.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Hear the quietest sound from across the dome.

The world's longest known cave system.

More than 20,000 salt and pepper shakers from across the globe call this museum home.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

To find the "unicorns of the deep" you've got to go downstairs.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

These pretty kitties killed and ate as many as 135 railway workers.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

An office built to look like a giant basket.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

There are eight natural springs around town, each with a slightly different taste.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

The largest source of fossilized insects anywhere.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.