Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

The attic of a four-century-old canal house hides a clandestine church.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This unique Seattle structure was designed to be the greenest commercial building on the planet.

In the absence of a Chinese-language newspaper, for years the community posted daily updates on this simple bulletin board.

This Bronze Age boat was found buried remarkably intact in an English gravel pit.

You'll never meet anyone this passionate about elephant droppings.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

These lush botanical gardens employ the most purrfect pest control force.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

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

Tiny horses tethered to antique rings are scattered around the city.

One of the largest collections of traditional Māori artifacts in New Zealand.

An iconic waterwheel in the Pennine Hills marks the location of one of Britain’s most profitable lead mines.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.

This waterfront museum in Maine is dedicated to the history of the smoked-herring trade.