This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

Oddly enough, a pair of Wolfs funded the construction of this Little Red Riding Hood sculpture.

It's believed that this small church was connected to the Hagia Sophia via a secret tunnel.

A unique housing complex born from the aftermath of the Greek Civil War.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

Winner of the Leeds Award for Architecture and the Environment.

Every drop of water in this 27-mile long reservoir was pumped up from the Columbia River using power from Grand Coulee Dam.

This massive piece of aviation history calls this residential neighborhood home.

The oldest dim sum restaurant in the United States is a nostalgic jewel.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

An ode to a chess-loving diplomat.

Just off the road outside Baguio, a gigantic lion's head carved into a mountain greets those driving by.

This striking building appears to defy gravity, a tower balancing atop a much smaller cube.

This massive statue of John Muir on the side of a California highway was carved from a redwood tree.

A century-old prison in the heart of Vilnius is now a lively bar, dance club, and artist residency.

One of London's oldest houses contains a mixture of both old and modern features.

After several moves across Mexico City, these two statues found a home in Mestizaje Park.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

This statue stands as a message against the ills of Apartheid.

This statue and its surrounding plaques tells the story of Ko-kwal-alwoot and the kinship between the Samish people and the sea.

This small shack near the entrance to Sequoia National Park has been in almost continuous operation for the last century.

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.

With a crest near 10,000 feet, this treeless fault-block mountain in eastern Oregon provides stunning views and spectacular glacial landforms.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.