The final resting place of the world's first nuclear reactor.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

A mysterious painting of the self-declared Emperor of the United States watches over a local hof-brau.

This print shop boasts one of the largest pinball arcades in San Francisco.

A hidden subterranean installation offers a view of the sky.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

San Francisco's newly reopened hands-on science museum.

America's oldest Italian restaurant is a San Francisco institution.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

A homage to the King at the hotel where he revived his career.

Temporary Burning Man sculpture made of two 18-wheelers.

Wayne Newton's sprawling estate is now open for visitors to catch a glimpse of his "heart and soul."

This vintage animatronics show is the Vegas version of a walk through the woods.