A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

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

A roadside park in eastern Maine first marked the halfway point between the equator and North Pole with a brass pin in 1896.

An elderly widow still operates the incredibly detailed model railroad she and her husband built by hand.

This architectural onion has an original 1930's Jerry O'Mahony dining car at its core.

Walk the same tracks that once ferried Gilded Age aristocrats to their vacation destinations.

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.

The crumbling remains of a 19th century fortess.

This city block-long devotional site, a replica of a famous site in France, is dedicated to the patron saint of grandmothers, mothers, and educators.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

The world-record holder for the longest bridge stretching continuously over water.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

These curious caverns have been home to mushrooms, gangsters, and disco.

Once one of the most polluted caves in America, now an environmental success story and a museum dedicated to caves.

Home to fantastic views and ancient graves.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

These ruins are all that's left of the former Alabama State Capitol.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

The seventh largest spring in the world.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.