A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A museum dedicated to exhibiting remarkable outsider art.

A massive sustainable farm designed by the mastermind behind Central Park.

The Aldie Gristmill was once the largest factory of its kind in Loudoun County.

These unusual rooms on wheels are holdovers from the 1960s.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

This pun was simply waiting to come to life, and one defense contractor made it so.

This beautiful vintage movie palace has seen little change in form or function since the 1920s.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

At 207 feet, one of the world's longest continuous escalators.

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.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Lucha Libre (Mexican Wrestling) themed taco shop.