New Zealand's only running funicular railway.

The platform atop this verdant volcano was built with the help of a royal elephant.

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

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

The cardinal directions, set in stone.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

What's that on the side of that building? Va Va Voom, it's Bettie!

Over 75 historically themed murals grace the walls of a small Washington city.

Only 68 people per day are allowed to visit this New Zealand bird-watcher’s paradise.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

A massive sea stack famous for its appearance in The Goonies.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

Only known mainland rookery of the threatened Stellar sea lion.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A tunnel with windows, so you don't miss out on the impressive views.

On the Oregon coast there is a natural hole that seems to be draining the sea.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

A men’s restroom became a sandwich shop.

This former stomping grounds of the most eminent astronomers of the early 20th century.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.