Places brittacuming Wants to Go

This series of underground chambers contains Europe's largest subterranean lake that is slowly drained each day.

Visitors dip into a variety of pools of what was once ice.

Museum devoted to the artificial language of Esperanto.

Each year melting snow turns these Austrian hiking trails into scuba zones.

Artfully arranged bones of 5,800 Austrians.

An Austrian house of bones filled with hundreds of intricately painted skulls.

The solemn exterior conceals an opulent interior of this 17th century church.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

One of the best collections of wax anatomical models in the world.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The beautiful baroque library of the Hapsburg empire.

The royal seat of Henri Christophe, a formerly enslaved man who became Haiti's only king.

The subtle interplay of fire and water is hard to ignore at this remote Jamaican spring.

You may get stranded and everyone's peeing in the water, but at least there's cocktails!

Cavernous opening completely encased in Karst limestone.

Nature took her revenge on the "Wickedest City in the World."

Weathered remnants of a coastal saltworks.