This beautiful system of tunnels built into natural rock serves as a centuries old plumbing system.

The world's northernmost ice hotel.

This German version of Universal Studios holds a vault of treasures from the NeverEnding Story.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

This woodland architectural installation acts as a camera obscura for the heavens.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Living trees form the structure of an open-air palace.

One of America's oldest private membership libraries was long one of New Haven's best kept secrets.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

The private clubhouse for the members of the Academy of Magical Arts.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

The centuries-old trees lining both sides of this dirt road may become Madagascar's first natural monument.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.

America's smallest "national forest" has only 33 trees.

Human-made caves excavated to hide a secret society of wealthy pagans.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Iconic rock formations that allow for exploration during high or low tide.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.