The suspected burial mound of legendary Viking Björn Ironside.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

The stone walls of a home built to withstand a California wildfire still stand after more than a century.

A medieval castle was used for centuries as a hemp farm.

A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.

Apparently, Hell has waterfalls in Slovenia.

Existing for more than four centuries, the last of Hakone’s historic teahouses serves a sweet, mold-based rice drink.

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

The world's longest tunnel with an undersea section.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

A giant repository of accidentally discovered cave paintings up to 30,000 years old.

A strange anthropomorphic stele with a mysterious inscription that has never been deciphered.

Rare recess caves fill this unbelievably beautiful Ohio park.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

This collection of bronze hands comes from astronauts, presidents, baseball greats, and more.

A sculpture of a blood drop designed to honor those that have donated the precious liquid.

The roof of one of the world’s largest spice markets provides a grand view over the neighborhood's glorious bustle.

A replica of the home of a famous fictional troll family.

Two old windmills got a new life as oversized sculptures of a man and a woman.

The man who helped establish the first rules of golf.

A remote horde of architectural treasures fit for Indiana Jones.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

During the 1990's nearly all of the world's LSD is thought to have come from the operators of the lab once located in this missile silo.