An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A tongue-in-cheek arcade where the games are based on everyday life.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

An enormous, inside-out glass globe built in 1935.

These fantastically named natural pools look like something out of a Scottish myth.

The fairy tale castle of the "fairy-tale king."

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Rippling sand dunes frozen in the Arizona rock.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

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

A huge musical instrument played by the ocean.

The bright red cars take travelers through breathtaking Tuscan scenery.

The former home of an Italian artist is now a shrine to his ambitious works.

This amazingly preserved Doric temple was abandoned before it was ever completed.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

The world's first underwater farm is home to more than 700 plants.

Ernest Hemingway was the first to sign this colorful wall covered in thousands of celebrity signatures.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

Ancient ruins hidden underneath a modern luxury hotel.