Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

A lush indoor jungle fills this bustling Madrid transportation hub.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This Costa Rican topiary park is a surreal garden of unearthly delights.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

Designed as a reminder of one of the darkest moments in Austrian history.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Museum devoted to the artificial language of Esperanto.

Baroque celebration of the end of the Great Plague of Vienna.

Dine amidst exotic plants at this former royal greenhouse.

The final resting place for the remains of 143 Habsburg royalty.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

World War II-era Nazi compound nestled in the Santa Monica hills.

Dozens of feral felines rule a segment of Hollywood's only graveyard.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

This glamorous old building is said to have inspired the Tower of Terror.

Sister store to the Echo Park Time Travel Store.