To find the "unicorns of the deep" you've got to go downstairs.

The beloved home to all publications indie, erotic, and punky.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

This shop for all your super spy needs hides an educational secret.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Church and home-museum of a 1920s female revivalist preacher with a very sordid past.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

The study has wall paneling from a 17th century ship.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

A sweet symbol marks the place where torturous executions were once carried out.

Three columns of volcanic rock shoot out of the ocean.

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

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The celebrated eyesore created by starry-eyed sweethearts.

A miniature city, once ruled by the Queen of the Netherlands.

This futuristic German television spire is actually the world's largest digital clock.

Amsterdam's former hotspot for public executions and dissections.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.