The rocks of a certain area of Butte, Montana give off a musical ring when hit.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

Ancient serpentine sacrifice holder that has stood the test of time.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Tubing through a cave lit with glowworms is a magical underground experience.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Handcrafted thermal spa washes away each night with the tide.

Water-powered gadgets whirr to life in this quirky eco park.

In an Auckland neighborhood, looming chopsticks lift noodles from the sidewalk.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

Climb to the top of the world's largest seated bronze Buddha.

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

A 125-meter long "tribute to the Brazilian people."

Museum precariously perched on a massive yellow pillar.

Dynastic Home of the De Piro Family.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

Pompeii's less famous neighbor is still revealing her secrets.