A US military accident created the legends behind this Mexican version of the Bermuda Triangle.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Frida Kahlo's childhood home, now a museum of her life and works.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

What happens here stays here – unless it affects the whole world.

Down a stairway in the East Village, you could once read a plaque describing an alternate history of a fictional version of Manhattan.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

A staggering collection of photographs depicting medical, social, and historical change.

Unlock the secrets of the conjuring arts.

Volunteer-run library dedicated to exploring five decades of activism history.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This hidden park hosts a rogue’s gallery of eccentric architectural obelisks.

Two thirds of this Montreal neon icon has survived to flash another day.

Every year, the colorful murals of Montreal get a complete makeover.

This 1967 experiment in modular architecture was designed to be a new model for urban living.