Where's a guy to go after a long, hard day at work?

A museum wholly devoted to juvenescence.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

Ancient barriers wrap around what was once an important stop along the Silk Road.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Controversially restored in the 1970s, this giant 15th-century mosque is shrouded in legend.

Light still pours into the ruins of this ancient Islamic observatory.

The Avenue of Mausolea is a series of grand palatial tombs.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

This one has sailed five times as far as Sir Francis Drake's famous ship.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

These magnificently sculpted tombs represent Spain's own legendary version of "Romeo and Juliet."

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

This human-made cave is one of the many snow storage chambers that supported the ice supply industry in the Sierra Mariola area.

For many years, the origin of these enigmatic artificial caves was the subject of debate among historians.

This portrait of Philip V is always hung upside down, in a protest three centuries in the making.

Southern Italy's spinning top village.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

A dead saint, a deadly poison, and a mysterious holy ooze.

This is the oldest Roman-made bridge in the city still existing in its original state.