The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

This historic patch of real estate offers a glimpse of colonial Boston.

The massive machine creates cracking displays of indoor lightning.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

A natural gas leak provides a flickering flame beneath a waterfall.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Tubing through a cave lit with glowworms is a magical underground experience.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

A 19th-century cabin built into a hollowed-out Sequoia tree.

Quite simply the largest tree in the world (by volume).

Four hundred granite steps were built into this massive rock by the National Park Service.

The world's longest known cave system.

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

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

Pluto is still considered a planet in Ithaca, New York.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

The library of every book lover's dreams.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Rochester's signature culinary delicacy.

An unusual and powerful memorial in which earthquake victims are remembered by empty white chairs.

A room hidden behind a swinging shelf in the children's section.

A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

Comprehensive gaming collection of over 30,000 electronic games and consoles.

An effigy of Vancouver's Gastown neighorhood's namesake.