This hidden amusement park is a magical escape for kids and kids-at-heart.

Everything in this miniature world was handmade from matches, paperclips, wires, tin cans, and other everyday objects.

An American city stranded at the tip of a Canadian peninsula where strict adherence to the "49th parallel rule" became problematic.

The graffitied ruins stand hidden within the Pennsylvania woods.

A relic of Victorian grandeur hides beneath a busy South London road.

This suburban British town holds secrets that would have made the druids proud.

Setting this massive marionette aflame rids Santa Fe of doom and gloom for another year.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

A massive Montreal stadium that has seen nothing but trouble since its inception.

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

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

A historic Montreal market that was the city's agricultural hub for over century.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Race through the maze, get your name on the sign.

A tunnel of hardened lava along Maui’s famous Road to Hana.

This black shoreline is made up of exploded lava particles.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Aliens and monsters lurk inside this museum dedicated to one man's lifelong adoration of all things sci-fi.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.