A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

An early-19th-century hotel with a past that is steeped in the Civil War.

This 19th-century former train station’s unusual roof shape earned it a rather witchy name.

Take a dip in the world's largest mineral hot springs pool.

This working class sculpture pounds his hammer all the livelong day.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

This giant steer-skull edifice refuses to die.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

Home to some of Indiana's last bison herds.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

A modest walled graveyard where nobody is actually buried.

A six-ton wedding present for the King of the Scots.

A multiversal transit station located right below a highway interchange.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."