The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

This 19th century granite fortification is one of the most well preserved forts in New England.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

The world's largest rotating world.

This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

Every plane, auto, and bicycle in this collection is kept in working order and are regularly demonstrated to the public.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

The world's largest fully steerable radio telescope.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

This university transit system is a 1970's vision of the future.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Make it an offering.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.