A park and memorial dedicated to the victims of the deadliest school massacre in American history.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

It's an incredibly beautiful city public space, with spacious rooms to study and admire the artwork.

The only surviving prototype for Buckminster Fuller's house of the future.

A comprehensive archive of Hallmark Holiday ornaments.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

This was the first ever National Lakeshore, established in 1966.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

A massive sea stack famous for its appearance in The Goonies.

A beautiful 62-acre Catholic shrine and botanical garden.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

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

This frequently-photographed waterfall takes only a short hike to visit.

A volcanic fissure over two miles long and up to 70 feet deep.

An attractive free-plunge waterfall outside Bend in the Deschutes National Forest.

The world's last remaining store of its kind.

Portlandia is the second-largest copper repoussé statue in the United States.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

The heads of two giant mythological water horses honor Scotland's horselord past.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.