The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Japanese national treasure originally built in 593 CE.

Stalactites and stalagmites in a beautifully lit cave.

Pompeii's less famous neighbor is still revealing her secrets.

A fantastic castle rumored to be the birthplace of King Arthur.

The underground sanctuary of a mysterious ancient cult.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Walk through Czech history in Prague's largest graveyard.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

The 10,000 Torii shrine.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

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

The magical, mossy forest that inspired Princess Mononoke.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Museum preserving torture methods from the past.

The beautiful baroque library of the Hapsburg empire.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.