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.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A collection of housewares from recent Irish history adjoined by a tower from ancient Irish history.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

Did Inca children also slide down these smooth rocky slopes above Cusco?

This monster fiberglass crustacean stands watch over the self-proclaimed "lobster capital of the world."

This massive solar system model is sprawled out across Maine's suburban wilderness.