When a massive landslide hit one of the world's tallest dams it created a tragic environmental disaster.

This one-time health resort was used by aristocrats around the world.

Built some 700 years ago, this Taíno ceremonial site features ball courts, petroglyphs, and evidence of ancient astronomy practices.

Electrical pylon in the shape of Disney's beloved mouse.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

An out-of-the-way wildlife haven with a rich and storied past of harboring thousands of fugitive slaves, or "Maroons" during the mid 1800s.

This Federal-style plantation house was once visited by Abraham Lincoln to meet with generals during the Civil War.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

A true roadside icon standing on the same plains that the herds once roamed.

Three legendary, living albino buffalo roaming their pastures for all to see.

A monument to the center of the North American continent may be off by a few miles.

A rim-made reptile in North Dakota.

This museum is a full-size replica of an original church constructed during the 13th-century.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

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

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

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

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

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

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A priceless collection of the Nation's cryptologic history.

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