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

World's largest collection of serial killer artwork and other macabre exhibits.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

In Grand Rapids, Michigan, a marker honors the creation story of a proud fictional culture.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

These sprawling mines once served as a source of plaster and today serve as a storage facility.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The history of those incarcerated in Singapore during World War II is etched into the bricks of a popular staircase.

This house is one of the most colorful in the country, and is the last remaining example of a historic villa.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Singapore's landscaping project is home to 18 incredible Supertrees.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

This massive underground salt mine now holds a sci-fi theme park in its depths.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."