Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

Oldest unrestored plantation house in America that is open to the public.

A miniature city built by a single hunchbacked monk.

A circus legend leaves an unexpected endowment.

Over 120,000 curious objects that have shaped our modern world.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

New England's tallest light house stands on an island with a history of cannibalism and death.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

Despite sitting firmly in the global cradle of the Church of Jesus Christ of Latter-day Saints, this Hare Krishna temple is host to one of the largest color festivals outside India.

The snowbirds here are circus sideshow performers.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

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

A retro walk through the history of the tube.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

Gigantic private toy museum featuring among finest collections of antique mechanical banks in existence.

The resting place of a Civil War celebrity's amputated limb.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

Former villa and estate of James Deering developed to preserve native tropical forests.

It's not a typo, now say it five times fast!

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

Civil War dumping ground for the bodies of terrorized Union sympathizers.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

The smallest country in the world.