At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

A museum marks and documents the site of the Titanic's launch.

A scattered trail of street art adds a pop of color to the city's stark structures.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

The celebrated eyesore created by starry-eyed sweethearts.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Former hunting lodge of a duke who was an avid collector of impressionist works.

This bridge was constructed from the rubble of the infamous Bastille.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The curious underground history of keeping Paris clean.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Paris' linguistic guide to the international language of, yes, love.

The oldest stone house in Paris was built by its most famous alchemist.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.