An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

An exquisite tunnel of cascading flowers.

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

A magical place that lets you play in and explore the world of Studio Ghibli.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Take a break from all the boring business of death at this funeral home mini-golf course.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Eighteen miniature death-scene dioramas.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

Remnants of a Victorian garden feature sitting in public woodland.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.