In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

The first graveyard named "Boot Hill" was established in Hays, Kansas, years before better known cemeteries with the same name.

A museum documents the development of the invention that tamed the Wild West.

Over 30 brightly painted Dala horses roam through ‘Little Sweden.’

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

A blacklight journey through a celestial art exhibit.

A museum dedicated to the alleged Roswell Incident.

A monument stands at one of the starting lines of the Trans-Canada Highway, formerly the longest uninterrupted highway in the world.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This nugget of paradise earned its name for obvious reasons.

A shrine built to combat the bad karma of a commercial venture.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

This giant mimetic milk bottle has encouraged Route 66 travelers to choose dairy since 1948.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

This is one really big nut.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The entire history of the U.S. Space Shuttle Program is painted on an enormous roadside water tank.