This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

This "Little Finland" started as a Finnish utopian society in Eastern Brazil.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

A (slightly) grownup take on the classic retro arcade.

A mailbox that saved a nature reserve.

More than five miles of underground passageways.

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

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

Enormous lake at the bottom of a unique cave system.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

Mai Tais and Navy Grog served up in one of the original tiki bars.

Mile-long cave system near Great Smoky Mountains.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

This quirky curiosity shop takes its cues from the world's bazaars.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

This charmingly homemade amusement park has been growing for 40 years.

Contractors in this Oregon town have been stamping their names in sidewalks since 1908.