A historic observatory precariously perched at the "Top of Europe."

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

There must be a pun in this haystack somewhere...

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Charnel house at the foot of Mount Sinai.

Huge winged monument in the United Kingdom.