Exact replica of the ancient monument, but much, much lighter.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Outsider art meets paleontology at this roadside reptile repository.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.