A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Cat art as far as the eye can see.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

A Museum of Psychiatry in a still-operating mental institution.

Meet the bronze beloved pet to a family of famous peeing statues.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

Most prolific publishing house in the 1600s open to the public.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Stocking up on the world's best beer requires a pilgrimage to a monastery drive-through.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

A much-maligned monument to teetotalism.

Art deco landmark on the outskirts of Washington, D.C.