
The Arecibo Radio Telescope by josefrancisco.salgado

Río Grande de Arecibo / Bambú (Bambusa vulgaris), Adjuntas, Puerto Rico by Oquendo

Going Back to Nature. Pellejas River, Adjuntas, Puerto Rico by Oquendo

Lago Garzas, Adjuntas, Puerto Rico by Oquendo

Cueva Ventana by darthdowney

Cidra River, Adjuntas, Puerto Rico by Oquendo

Adjuntas Puerto Rico by Oquendo

Cascada Rio Garzas, Adjuntas, Puerto Rico by Oquendo

Adjuntas, Puerto Rico, plaza / town's square by Oquendo
![Cueva Clara: Bat Cave [3561] by josefrancisco.salgado, 1/15 sec handheld. Maybe resting on a handrail. ISO 4000 | Nikon D3 + 24-70mm f/2.8G
Parque de la Ca](https://live.staticflickr.com/5163/5319139712_ee4cb16c98.jpg)
Cueva Clara: Bat Cave [3561] by josefrancisco.salgado
![Under the main reflector [6021] by josefrancisco.salgado, Nikon D3s + Sigma 8mm F3.5 EX DG | Arecibo Observatory, Puerto Rico, 15 Nov 2010
© 2010 Jos&eac](https://live.staticflickr.com/5252/5399309714_cd302c1694.jpg)
Under the main reflector [6021] by josefrancisco.salgado

Google Earth Adjuntas Puerto Rico by Oquendo

2011-03-Ponce-Buena Vista-F22 by vm_gonzalez

2011-03-Ponce-Buena Vista-F21 by vm_gonzalez

Power Windows by Eric E. Fernández

Sector La Playita by RRP Foto

Google Earth Adjuntas Puerto Rico by Oquendo

Forest top by NASA Goddard Space Flight Center

Delicias by Alexis Ant0nio

Arecibo Observatory by Chuck - PhotosbyMCH.com

A window to the world - Cueva Ventana by Radu Micu

Cueva Ventana by dittoheadadt

AO: cable car | catwalk by josefrancisco.salgado

12-m antenna, AO by josefrancisco.salgado

Cueva Clara | Sumidero de Empalme by josefrancisco.salgado
![Cueva Clara Entrance [interior view; 2981] by josefrancisco.salgado, Nikon D4 + 24-70mm f/2.8G | Parque de la Cavernas del Río Hatillo, Puerto Rico, 20 Mar 2013
© 2013 <](https://live.staticflickr.com/7300/8734917635_31fd25f3fa.jpg)
Cueva Clara Entrance [interior view; 2981] by josefrancisco.salgado

North View from the AO platform by josefrancisco.salgado

Light at the edge by Eric E. Fernández

Cueva Ventana by GOJR.

Southeast view from the AO platform by josefrancisco.salgado

almost there... by JavierVazquez

caonillas utuado puerto rico by juan0571

IMG_1927-Edit-2 by Eric E. Fernández

IMG_1063-Edit by Eric E. Fernández

Lago Dos Bocas by juan0571

Cascada Río Vacas, Garzas Centro, Adjuntas, Puerto Rico by Oquendo

IMG_4647-Edit by Eric E. Fernández

Río Garzas, Adjuntas, Puerto Rico by Oquendo

Right In Two by Eric E. Fernández

2016 Holiday Vacations - Puerto Rico - Cloud Cover by JRB_EVO

Cueva Del Arco by Eric E. Fernández

The Delightful by Eric E. Fernández

Cueva Del Arco by Eric E. Fernández

ALEATORIAS by Eric E. Fernández

First view of the cave by chadsellers

Rio Las Vaca by Eric E. Fernández

View of KP4/CC-001 - Cerro de Punta by smkymtns

Rio La Venta by Eric E. Fernández

IMG_3685-Edit by Eric E. Fernández

IMG_4091-Edit by Eric E. Fernández

IMG_2364-Edit-Edit by Eric E. Fernández

"Las nubes grises también forman parte del paisaje" by Eric E. Fernández

Arecibo by WileyCox

Cueva Ventana by osoroco

Cueva Ventana by O'Bydalej

Cueva Ventana by O'Bydalej

Cueva Ventana by O'Bydalej

Cueva Ventana by O'Bydalej

Arecibo_2 by Prutchi

Cueva Ventana by O'Bydalej