Arches

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

Tucked between a side street and a theater, this arch once led to a prestigious riding school, and now opens to a courtyard and community garden.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

The bridge continues the legacy of President Franklin D. Roosevelt's New Deal policy.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

This remnant of an ancient Persian city is considered to be the world's largest single-span brick vault arch.

A strange-looking 18th-century tower sits on a tiny islet just off Livorno.

Unscathed for almost 2,000 years, the best preserved Roman triumphal arch is in a small southern Italian city.

This clifftop arch is a natural stunner.

The meaning behind this triumphal Roman arch was a mystery until the early 20th century.

This mysterious ancient arch is hidden in the forest of Simbruini Mountains Regional Park.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

A monument to the more than one million enslaved Africans deported from the port of Ouidah.

This triumphal arch is the only fully standing structure that remains from Roman-era Oea.

The "Black Arch" guards the entrance to the picturesque Glens of Antrim.