An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Two stunning 17th-century libraries and a cabinet of curiosities.

William Faulkner kept his beloved estate wild and untamed.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

Yo, Adrian!

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

One family's environment-friendly hobbit-house in Wales.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

One of the oldest living oak trees in the Southeast.

This stunning concert hall has become a symbol of Iceland's national recovery.

This enormous sinkhole hides a secret world created from divine wrath.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

This modern labyrinth lies in the shadow of a ruined medieval castle.

An emerald-green grotto just a short trip from Austin.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.