The oldest original lighthouse in Alaska that was born out of a tragic shipwreck.

This lighthouse sits within a glacial valley.

This abandoned, spaceship-like building is home to a museum so unpopular that it has been put on hiatus for over two decades.

Unwanted and reluctant ownership, Gordon Lamp glimmers faintly and serves as a relic of the bygone Victorian era.

Ireland's most northerly island is hauntingly beautiful. Its lighthouse was the last glimpse of home for many Irish emigrants bound for the U.S.

Newfoundland's last remaining granite lighthouse.

The blinking light atop the iconic landmark has been sending secret messages for decades.

Cartoon clouds and nature-inspired murals have transformed the streets of Kuala Lumpur.

For more than 25 years, this Philadelphia store has been offering a wide selection of Victorian oddities and antiques.

A series of magical limestone formations along the coastline of the country island of Antigua.

This spectrum of a star was observed by one of the world's most accurate spectrographs. 

This bomb shelter-themed bar has barely changed since it opened.

Artist Jack Pierson made this surreal sculpture in honor of Wonder Valley, a countercultural community on edge of civilization.

Remarkable medieval wall paintings decorate this 12th-century, dog-friendly church.

A family accused of witchcraft once called this medieval tower home.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.

Deep into the lower floors of Pike Place, find a date with fowl fate.

Once a highly polluted body of water has now been transformed into a gorgeous lagoon.

Dedicated to a pivotal figure in the region's tourism industry.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

A geological wonder shrouded in myth.

One of the first canal boat-lift inclines ever created.