Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

A living time capsule of the 1960s Richardson Bay water-front.

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

This rustic old building is said to be the most photographed barn in America.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Home to the deepest rift anywhere on Earth.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Headquarters of the world's fourth largest Hasidic sect and the first of many "770s" around the world.

Avoid gangster interaction while window-shopping.

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

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Portugal's National Pantheon has a history of curses, collapses and financial problems.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.