A gigantic shoe, inspired by a nursery rhyme, sits in a park atop Mumbai’s Malabar Hill.

A centuries-old lookout post still sits atop a natural stone spire.

This statue of an eagle taking flight welcomes visitors to Langkawi.

Its tremendous toad is actually a five-story museum and viewing platform.

The long underground cave's curiously shaped stalagmites have inspired many legends.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

This museum has a most unusual location: inside a giant, three-headed elephant.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

For more than a century, revolutionary graffiti has marked the wall of a Parisian church.

Offal and flawless onion soup are on the menu at this restaurant that once catered to the workers of Les Halles.

Dedicated to the history and culture of smoking, this small museum now includes a vape lounge.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

A small museum in Newfoundland is home to a 227-foot tapestry that preserves the remote region's colorful history.

A cheeky name for an observatory visitor's center.

Cape Breton landmark filled with recognizable faces.

A unique spiral staircase that doesn't quite make it up to the top floor.

The colorful, smiling concrete silos of Vancouver.

Thousand-year-old trees tower within one of the world's only inland temperate rainforests.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.