An abstract monument to a symphonic composer.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Quite simply the largest tree in the world (by volume).

The most confusing clock in New York.

Cold war icon and onetime "hole" in the iron curtain.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A little sculpture with a large wardrobe.

The celebrated eyesore created by starry-eyed sweethearts.

An essential stop before plundering, BYO Cutlass.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Rusty red sands line the shores of this Canadian Province.

Home to items never before seen by the public.

Sweden's "good old days" painstakingly re-created in a model village.

An ancient knight and a symbol of the city's freedom.