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

A boulder carved into the shape of the cosmonaut's head.

This retro, UFO-like structure is a remnant of the Soviet-era circus.

Dedicated to a Bolshevik revolutionary, this museum is a true time capsule of the Soviet era.

The origin of this sinisterly shaped forest is rooted in mystery.

An outstanding piece of retro Sci-Fi architecture built into a sacred mountain.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

This gravesite in the Amazon Rainforest was left behind by a failed Third Reich expedition.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

Tucked away on a hilltop in the backwoods of Mississippi lies the remains of a blues legend.

A tiny, unassuming park in Tampa that belongs to the Republic of Cuba.

The only presidential monument to display a late POTUS's actual casket.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

The angel of death appears to weep black tears at this grave marker.