Double spiral staircases are not unheard of, but they are very rare.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

The interior of this Serbian royal family's mausoleum is covered with exquisite mosaics.

It's easy to forget what century it is as you wander this rustic homestead.

A serene temple with stunning stained glass hides in downtown Dallas.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

A beautiful but toxic fountain of mercury.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

A cool dive bar, off the beaten track.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

A market built atop boats is one of the few floating holiday markets in Europe.

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

A gorgeous gilded tower houses what may be the world's largest collection of gin.

This ancient sword lay in a waterlogged tomb for 2,500 years, but managed to remain relatively untarnished and impressively sharp.

Unusual books about food and drink abound in this 19th-century New York townhouse.

The only pub in the world surrounded by an ancient stone circle.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The ornate structure is part of a building boasting more marble than the Vatican.

Where an 11th-century flying monk crash landed after attempting to take to the skies.

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

Mosaics, storks, and brothels—this ancient city has it all.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.