Two dozen pinball games hidden away inside a most unlikely location.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

A crumbling bakery where forced laborers from the nearby concentration camp toiled to feed their fellow prisoners and Nazi soldiers.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

The oldest still-inhabited hill fort in India looks like a magnificent golden sandcastle.

One of the American Southwest's most extensive collections of Navajo rock art.

A replica of the straw hut where Vladimir Lenin lived in hiding, disguised as a hay farmer, in 1917.

This medieval castle was painted pink as part of a now-abandoned children's theme park.

This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

One of the world's heaviest musical instruments towers within a popular urban park.

A former bastion of Rajput chivalry, this massive hill fort is the site of legend and tragedy.

Victorian-era Egyptomania left its mark on this Nashville landmark.

This Georgian Gothic building was created to shelter and feed deer.

Pictures tacked onto trees remember the more than 40,000 of Stalin's victims buried here in mass graves.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

Translating as "The Jump of the Girlfriend," this stunning waterfall has a tragic legend behind it.

Art becomes an enchanting part of the environment at this wooded sculpture park.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.