This historic electric train has operated with regularity since the early 1900s.

A contemporary art installation housed within a Gothic cathedral.

Discover the ruins of medieval paper mills, a scenic gorge, and a museum celebrating centuries of paper production.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

A small island in Lake Garda that was used as a burial site, pirate hideout, and a monastery.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

This winding road through an Italian canyon may be the most scenic drive in the world.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

The second-largest Jewish temple in Bulgaria was deserted after World War II, seized by the communist government and then abandoned again.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

A sharp bend in a dramatic river canyon cut through red rocks.

This unique art installation used boiler tubes from a decommissioned power plant to resemble Antelope Canyon.

A tunnel with windows, so you don't miss out on the impressive views.

A giant open-air sculpture made of over 200 full-sized boats.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

An offbeat angle on the ocean viewed through an antiquated lens.

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

In this German city center, the streets have no names.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.