These overlooked ruins give an intimate look at the Inca Empire's urban planning prowess.

10,000 flowered plants bloom in the City of Roses.

This little Vancouver shack is a temple to all things Hendrix.

Antiques shop filled with all manner of curious collectibles.

The colorful, smiling concrete silos of Vancouver.

The large fjord lake is thought to be the home of "Ogopogo," a giant sea serpent.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

18th century opera in its original splendor.

Ancient burial grounds of the wealthy.

The second oldest anatomical theater is housed in a museum of curiosities.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

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

The library's graceful rotunda is like a bibliophile's temple.

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

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

This tiny museum's sizable collection is jammed into a former underground public toilet.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A former imperial sea-fortress and Soviet prison.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.