Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

A striking 12th-century-style castle built on the edge of a cliff.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The fairy tale castle of the "fairy-tale king."

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

An off-the-beaten path cave with an underground lake.

A multiversal transit station located right below a highway interchange.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

This magenta statue commemorates the legendary marriage between a mermaid and the city's founder.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

A tribute to the statues of Easter Island along Route 66.

One of the largest open-pit copper mining operations in the entire country.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.

This scrap yard doubles as a naive art gallery full of found art and farm animals.

A cabinet of curious mathematical models and old calculators.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This bomb shelter-themed bar has barely changed since it opened.

A roadside attraction filled with an astounding array of gloriously wacky vehicles.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.