This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

Portlandia is the second-largest copper repoussé statue in the United States.

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

A beautiful 62-acre Catholic shrine and botanical garden.

A heavenly experience, right here on Terra Firma.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

The footprint of a frustrated devil in Munich's Cathedral.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

There aren't too many operational funiculars around, but Pittsburgh has two!

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The restored and active Victorian-era final resting place of San Francisco.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Pop culture has helped to keep this iconic British building from being destroyed.

A Roman spa buried deep beneath the City of London.

Scattered throughout London are ancient remnants of the city's former bounding wall.