There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

This grand gothic brewery has been pumping out suds for over a hundred years.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

A massive white oak tree provides a beautiful canopy near a suburban shopping center and stood before the signing of the Constitution.

This mighty white oak in Bethesda survived both the American Revolution and the construction of Washington D.C.'s metro red line.

This statue honors the author's groundbreaking family story.

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

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

The whole world in one water tank.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

Two dozen pinball games hidden away inside a most unlikely location.

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

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

An abandoned church gets a second life as a massive beer hall and event space.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

The land is home to swimming ponies and a legendary 18th-century treasure.

A museum dedicated to exhibiting remarkable outsider art.

Along this stretch of Indiana roadway resides a giant insect composed entirely of scrap metal.

The bespectacled, cocktail-sipping pachyderm is a strange but fitting liquor store mascot.

The only freestanding table rock formation east of the Mississippi.

The longest navigable underground river in the United States is home to countless blind and albino animals.