According to myth, there's a bloody explanation for the beautiful bright red color of this rock formation set amidst alpine vegetation.

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

Time capsule of a museum, in which the Soviet Union remains alive and kicking.

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

Where Stoddart and Connolly suffered in the infamous Bug Pit.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

The Avenue of Mausolea is a series of grand palatial tombs.

Italian cave with exceptional acoustics and an unsavory history.

An underground world of gorgeous, palatial metro stations designed as a nuclear shelter complex.

The former stronghold of the Malla Dynasty has remained virtually unchanged since the 17th century.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Massive series of 45 caves and over 51,000 sculptures carved from cliffsides in China.

A fifth-century temple improbably built into the side of a cliff.

An ancient fortification lives on in this Chinese city.

Although resembling a grand Buddhist temple, this structure is actually the largest mosque in China.

The family compound and final resting place for the philosopher, Confucius, and over 100,000 of his descendants.

The once highest point in China blends symbolic design with a kick of adrenaline.

This psychedelic tourist trap is a leisurely descent into madness.

This historic square in Nepal is home to temples dating back to the third century.

Next to the Malaysian Prime Minister’s office stands this rose-colored mosque.

The iconic egg tart gets an upgrade with a laminated sourdough crust.

Walk through a clothing store, across a courtyard, and up several flights of stairs for delicious coffee with a side of beautiful views.

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

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.