Every year, the colorful murals of Montreal get a complete makeover.

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

The tiny airport in remote Newfoundland that inspired a hit musical is also a modernist architectural gem.

A fearsome dragon clings to a corner of Munich's city hall.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

A geological mystery on Camelback Mountain.

Oddly shaped rock formation, misassociated with a nearby utopian community.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

Come for the speed, leave in love with the desert.

Dramatic river bend surrounds a natural red-rocked pedestal.

The largest island on the great salt lake is home to curious creatures and strange stories.

A house carved into a rock in the 1940s.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Visitors to this library are in for a real-world education in modernist architecture.

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

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

Legends surround an ancient tree trunk riddled with nails for good luck.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

A spiritual vortex among the red rocks in Sedona.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Terrifically morbid cemetary and site of famous Paracelsus' grave.