The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

Hidden in the hills of Western Pennsylvania lies one of the best-kept ghost towns in America that you can legally visit.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

These abandoned grain silos and tunnels are an urban exploration dream.

The beloved home to all publications indie, erotic, and punky.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

This "cursed house" features secret rooms, hidden vaults, and dark escape tunnels.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

Half a century after it was abandoned, this ghost town is coming back to life.

A century-old stone hermitage overlooks this remote pass in the Hoggar mountains, surrounded by a landscape of eroded volcanic cores.

Beer lovers thirsty for knowledge can now visit a museum devoted to the world's largest hop-growing region.

This uninhabited island in Maine is home to various works of art left by visitors over the years.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Home to items never before seen by the public.

The United States Capitol's former columns still stand.

Outsider art meets paleontology at this roadside reptile repository.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A terrific purveyor of natural history objects and curios.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A huge musical instrument played by the ocean.

The vast, legendary catacombs hold secrets much stranger than stacked bones.