A bare tree in Riga’s Esplanāde is transformed into an extraordinary vertical neighbourhood by scores of colourful bird nesting boxes clustered across its trunk and branches.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

A relic of FDR's brief foray into utopian urban planning.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A Brutalist architectural gem hidden among Skopje’s neoclassical buildings.

This one-room cabin where the young colonel slept during the French and Indian War.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

The actor best known for slapstick comedy is memorialized in his home town.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

The mounds at this site were reconstructed with the help of archaeologists and historians.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

Circleville is seriously smitten with this giant gourd.

Just outside the Ohio Supreme Court sits a testament to justice.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Classic burger joint that’s been serving up sliders since 1952.

The world's oldest operating jazz club has been in operation since May 1934.

Weighing 30,000 pounds, this monument represents Detroit's first industrial era.

This quaint stretch of road is the final resting place for hundreds of America's four-legged veterans.