Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

Legend says this sacred tree was a gift from goddess Athena.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

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

This historic castle is one of the oldest and most impressive in all of Japan.

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

Home to thousands of dolls from around the world, including the "blue-eyed dolls" that came to Japan as American ambassadors.

An ancient octagonal weather station named for the eight Greek gods of wind.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Where commuters walk through remnants of an ancient Greek necropolis.

These caves secretly held national treasures during World War II.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

It houses the remains of a 17th-century version of the Titanic.

A 246-foot-high revolving restaurant rises unexpectedly from a forested Finnish hilltop.

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

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

A giant baby floats in the middle of Singapore’s nature park.

Across this single-file rope bridge is what has been claimed to be the edge of continental Asia.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."