Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

Architectural monsters are devouring this palace's every door and window.

The final resting place of the poets Shelley and Keats.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

Visiting this café is like visiting the Austrian grandma you wish you had.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A dilapidated dock tells the story of Titanic's missed arrival.

Peek through the gates at this oasis from the city, full of Old English charm.

Nikola Tesla's former home contains an homage hidden from plain sight.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A hip bar decorated with walls of golden skulls.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

On a quiet suburban street stands a peculiarly decorated house covered in mosaics.

The diverse and sometimes odd cultural heritage of the Golden State is collected, examined, and displayed in this proud museum.

Southern California’s Theme Park Beginnings.

The house where Good Will Hunting was written is a surreal fairytale abode.

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

The site of the house Jack Parsons made famous both in life and death.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.