An architect's childhood fantasy treehouse made real.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

Guests become prisoners on a visit to Latvian prison.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

This unusual elevator doesn’t stop or slow down.

Remnants of a forgotten 1920s speakeasy and Prohibition-era murals were discovered in its basement.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

A majestic hotel for dreamers rises from the center of a fairytale wood.

Rumors of the occult haunt this upscale 1920s hotel.

This historic Victorian hotel has a scandalous history of affairs and murder.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

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

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

An Aztec snake god has taken the material form of an apartment complex.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

This historic hotel invented the chocolate brownie.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

A 14th-century European chapel sticks out of the facade of a Japanese hotel.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.