A giant time capsule not scheduled to be cored until 2040.

True to its name, this little house presents like a dollhouse, and surprising details are revealed with a quick peek through the window.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

This is Bremen’s oldest historic district, famous for its labyrinth of narrow medieval alleys lined with tiny, colorful 15th-century houses that resemble beads on a rope.

This ruined castle is said to be the legendary keep of a Viking princess.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

An angel that hatched from an egg!

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

This hauntingly beautiful stretch of Florida coastline is covered in sun-bleached trees.

An elegant German-style resort overlooking the Potomoc River.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

A stunning architectural yet functional feat, towering over Oslo.

Make a joyful noise with these contrabass chimes.

It's been called “Detroit’s largest art object.”

Home to a protest movement, a bombing, and a dramatic change in labor history.

A lone traffic cone perched on a ledge has remained unmoved since at least 2011, unofficially earning the status of a tiny Chicago landmark.

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.

A unique 3-D sculpture based on Rene Magritte’s “The Red Model.”

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A 19th-century horse lover's bequest led to the construction of this unique fountain in Chicago.

Also known as the Osaka Garden, this garden was originally built in 1893 as part of the World's Columbian Exposition.

This was the first ever National Lakeshore, established in 1966.

A chain coffee shop in Bulgaria that takes its Italian roots very seriously.