Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Elevated freight railway turned wildly successful urban park.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

Odd outsider art installations surround a Gold Rush-era ghost town.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Yo, Adrian!

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The official meeting point for the oddly named governing assembly of ancient Sweden.

This chimerical bridge/tunnel appears to dead end right into the sea.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

A tiny collection of traditional Japanese woodblock prints, open only when the owner feels like it.

The quintessential Japanese rock garden has existed for more than 500 years.

This 700-year-old street food market features baby octopus and soy donuts.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."