A modern English garden of eccentric beasts, follies, and oddities.

A small but immensely extravagant palace built by the "Night King."

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

One of only two commuter aerial tramways in the United States.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Natural cathedral designed by Italian artist Giuliano Mauri.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

A submerged village appears when dam levels drop.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A museum dedicated to the history and exploration of both popular music and science fiction.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A Museum of Holography frozen in 1974.

A 200-year-old prison that now houses a peculiar crime museum.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

This massive subterranean fissure is known as the "underground Grand Canyon."

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Occult books, tarot, oddities.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

A collection of abandoned typographic signs from Berlin and beyond.