Though they look like Hobbit houses, these semi-underground stone structures were built for winemaking.

Celebrating the works of a beloved Italian actor, known for such cult films as 'They Call Me Trinity' and 'Watch Out, We’re Mad!'

This sculpture of a rhinoceros suspended above a city square is meant to evoke the weight of the human condition.

This small Milan street is filled with colorful homes and a rich history.

The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.

This elaborate stone bridge over the Neisse river has sat in pieces since 1945.

A futuristic-looking beach house built for the owner of a snack food brand.

This small Japanese street is lined with figures, sculptures and a shrine dedicated to frogs.

In addition to showing films, this one-screen arthouse cinema from the late 1940s is a museum of old film equipment.

An abandoned amusement park turned street art gallery with open walls for visitors to spray paint.

This round structure dotted with portals is one of several pieces scattered throughout Lancashire.

An impressive collection of massive radio satellites.

A few hidden stones are said to bring fortune and love.

The grounds and buildings of an old wood pulp mill have been transformed into an innovative art park and museum.

This former peat factory was transformed into an observatory before being abandoned once again.

For decades, these ships have been lying in rust awaiting a final decision on their fate.

This tower once served as a radar station during the Cold War.

Emerging from the sidewalk, this sculpture of a whale commemorates the importance of baleen in traditional Japanese puppetry.

A 2017 crowdfunding campaign saved this historic castle from being destroyed.

Is this a portal to another side of the cosmos?

A tribute to the first human in space.

On East Burnside, a 24-hour vending machine distributes world-class pastries.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.