A classic carnival ride that was carved to be untouchable.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

Stockholm's deepest subway station is also a stunning ecological wonder.

This marvelous array is one of the largest collections of mechanical instruments in Europe.

A beloved tribute to the Fab Four and the freedoms they inspired.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

This floating sculpture of ice is a poignant reminder of nature's power.

The southernmost outpost of the Russian Empire in colonial America.

A secret climbing tree hides along the side of a Costa Rican road.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

A lush indoor jungle fills this bustling Madrid transportation hub.

Quito's historic, main square dates back to the 16th century.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

A controversial magical figure is hidden within a diorama of the city.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Sweden's "good old days" painstakingly re-created in a model village.

It houses the remains of a 17th-century version of the Titanic.