Penn State's giant bug collection.

Eighteen miniature death-scene dioramas.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.

Arlington Cemetery exhibit dedicated to death and grieving.

The United States Capitol's former columns still stand.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.