The former headquarters of history's oldest megacorporation.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Europe's official "zero-level," the equator of elevation.

Amsterdam's former hotspot for public executions and dissections.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

A beautifully eclectic mix of architectural styles.

This cheese shop also houses a museum devoted to Dutch dairy.

Museum preserving torture methods from the past.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The site where Michigan launched its first rocket into space lies abandoned in the dense woods along Lake Superior.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

This was the first ever National Lakeshore, established in 1966.

See prehistoric footprints, plus two complete mastodon skeletons.

The plants form a living library and laboratory for researchers and students at Michigan State University.

This experiment in the lifespan of seeds will take a century before it is complete.

Housed in the university planetarium, the thousand-strong collection of tiny towelettes includes a used one from the hosts of Car Talk.

This mechanical wonder towers above a river in Michigan's capital city.

Perched atop a brick smokestack, this enormous lug nut symbolizes the local minor league baseball team.

This vacant station is a relic of harvest processing techniques of the mid-20th century.