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

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

A walkable map of the world, made from soil and stone by one man.

A natural wonder in south Denmark.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

Inside this magnificent 12th-century church is one of the finest carved wagon-roofs in all of England.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

One of these two land speed record-breaking vehicles went so fast it shattered the sound barrier.

Known as the "Stairway to Heaven," this historic canal dates back to the 1700s.

A great example of the inventive canal bridges that were deliberately split down the middle.

The former home of the world-famous Templeton Carpet Factory.

Europe’s most powerful hot spring supplies the surrounding region with hot water.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

The biggest drug trafficking passage between Mexico and the U.S.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A serene temple with stunning stained glass hides in downtown Dallas.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A modernist landscape of water and sci-fi concrete.

The reconstruction of this prominent building fulfilled a long-written command.

This fountain was once heralded as the largest in the world.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

This building was once a town hall, a fire station, a prison, a dairy market, and the target for two marksmen.