Time travel with sweets across history at this research-based candy store.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

A whimsical village of unique treehouses resides in a Washington forest.

This three-story Victorian mansion is now home to the National Park Service’s Historic Preservation Training Center headquarters.

A stellar example of Art & Crafts architecture, and a movie set to boot.

This general store is more than a century old and home to various oddities and antiques.

A monument marks the location of the first successful steamboat demonstration.

An elegant German-style resort overlooking the Potomoc River.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

True to its name, this little house presents like a dollhouse, and surprising details are revealed with a quick peek through the window.

The eccentric mansion of one of the most popular horror authors of modern times.

This is the sewer drain that was the inspiration for the opening scene of Stephen King’s classic novel “IT”.

The world's largest rotating world.

A giant roadside black bird marks the location of this eclectic local mall.

In addition to what was once the world’s largest single-loom carpet, this charming space contains a pair of unique flags in American history.

A rare wayfinding portmanteau of “Street” and “Avenue.”

Browse an impressive collection of passenger and military aircraft dating back to World War II.

This giant steer-skull edifice refuses to die.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

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

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.