2300-year-old Roman road connecting the empire.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Historic medieval fortified city in southwest France.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

A lush indoor jungle fills this bustling Madrid transportation hub.

The nude sculpture on this fountain shocked conservative townsfolk when it was first unveiled, but not as much as the dead body found in it decades later.

The 18th-century church's stained-glass windows tell the story of the Haudenosaunee people.

This sandstone mansion was the home of two of Oregon's most important pioneers.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

Conflicting markers on its floor tell a tale of two city centers in San Antonio.

A 131-year-old wunderkammer of Texas history.

One of the largest underground systems runs under Canada's largest urban center.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The statue of the famous elephant who was the original source of the word "jumbo".

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.